explain how different ways of achieving photosynthesis allow plants to adapt to specific environments

Answers

Answer 1

An excessive day temperature can boom photosynthesis, specifically when mild and CO2 aren't prescribed. however, respiratory also will increase with temperature due to the fact flowers want greater power to guide the elevated price of mobile department and expansion.

The main cause of photosynthesis is to transform radiant electricity from the sun into chemical power that can be used for meals. cellular breathing is the system that occurs inside the mitochondria of organisms (animals and flowers) to interrupt down sugar in the presence of oxygen to release energy within the form of ATP.

The plant life located in deserts is fleshy and succulent. Succulents display a slightly one-of-a-kind photosynthesis mechanism, called crassulacean acid metabolism or CAM. In those florae, stomata are opened only at night time.

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Answer 2

C3 plants most adapted to:

* cold temperatures (below 25c)

* high moisture

C4 plants most adapted to:

* high light intensities

* high temperatures

* limited rainfall

CAM plants most adapted to:

* extreme aridity

* dry environments

At some stage in photosynthesis, vegetation absorb carbon dioxide (CO2) and water (H2O) from the air and soil. In the plant cellular, the water is oxidized, which means it loses electrons, even as the carbon dioxide is decreased, which means it gains electrons

Photosynthesis converts radiant or suns electricity into chemical energy. The productivity of agricultural crops without delay depends upon the rate of photosynthesis. It presents oxygen in the environment for all living organisms.

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Related Questions

4. Which of the following would be a part of the biosphere? (Select all that apply.)
jellyfish
mountains
rivers
giraffes

Answers

Jellyfish, giraffes would be a part of the biosphere.

What do you mean by biosphere?

The biosphere, also known as the ecosphere, is the worldwide sum of all ecosystems. It can also be termed the zone of life on Earth. The biosphere is virtually a closed system with regard to matter, with minimal inputs and outputs.

Moreover, the portions or regions where organisms are found are collectively called the biosphere. Thus, it can also be said that the biosphere is the sum of all the ecosystems on Earth.

Three main characteristics comprise the biosphere: abiotic (non-living) factors, living organisms, and energy.

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Will get brainliest answer

What occurs during the first stage of protein synthesis

1. The dna unzips, and rna bases match up along a strand.

2. Messenger rna moves out of the cell nucleus

3.transfer rna carries a specific amino acid to the ribosome.

4. Messenger rna attaches to a ribosome

Answers

Answer:

The correct answer is -  1. The DNA unzips, and RNA bases match up along a strand.

Explanation:

The first stage of protein synthesis is transcription, which is the process that copies DNA sequences in a complementary sequence into the new mRNA molecule. In this stage, DNA molecule unwinds and unzip, and RNA molecule bind at a strand and elongate by adding new complementary bases with the help of RNA polymerase enzyme. Once the elongation of the RNA molecule ends the termination takes place and a new mRNA molecule that stores information to synthesis amino acid chin is produced successfully.

Thus, the correct answer is -  1. The DNA unzips, and RNA bases match up along a strand.

LAST QUESTION WILL GIVE BRAINLIEST!!!!!PLS SHARE YO SMARTNESS!!!!!!!


1. Which two substances have parts of their cycles in which the substance must be "fixed"?

A) nitrogen and water

B) sulfur and oxygen

C) water and phosphorous

Answers

Answer:

its carbon and nitrogen

Explanation:

took the quiz

Carbon and nitrogen are two substances that have parts of their cycles in which the substance must be "fixed". Thus, the correct option for this question is D.

What is Cycle?

A cycle may be defined as the series of steps that regularly run in a repeated manner to deliver the needs of organisms. Examples include the carbon cycle, the water cycle, etc.

Carbon is found as a solid in all of their isotopes but nitrogen is typically a gas that is present in 78% of the earth's atmosphere.

Option D is missing in the question which is carbon and nitrogen.

Therefore, the correct option for this question is D.

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Oxygen is essential for many forms of life, yet early earth had very little oxygen in the atmosphere. Where did the increase in oxygen come from?.

Answers

Answer:

Literally, it is the waste product of cyanobacteria, also known as blue-green algae.

EXPLANATION

Explanation:

Between two to three billion years ago, Earth's atmosphere started changing.

Organisms living then were doing so anaerobically (without oxygen), but there was a gradual build up of oxygen in the atmosphere - the reason for this, as well as for the percentage of oxygen stabilising at around 21% is still unclear.

What we do know is that tiny organisms known as cyanobacteria (or blue-green algae) would photosynthesise carbohydrates for their nutrition and growth using sunlight, water, and carbon dioxide.

The waste product of photosynthesis, till today, is oxygen.

Over time, this oxygen increased till it reached the levels that we experience today.

The chloroplasts in today's plants are symbiotic cyanobacteria that continue the same process started billions of years ago.

i) predict which of the liquids would cause the largest decrease in mass of potato stick
PLEASE PLEASE HELP ME I HAVE 10 MINUTES ONLY, I WILL GIVE YOU THE BRAINLIEST!!

i) predict which of the liquids would cause the largest decrease in mass of potato stickPLEASE PLEASE

Answers

Answer:

1 mol per dm3 sodium chloride solution

Explanation:

The liquid that would cause the largest decrease in the mass of the potato stick would be the one with  1 mole per dm3 sodium chloride solution.

The water potential of a solution depends on the molarity of the solution, the higher the molarity, the lower the water potential and vice versa. Hence, a solution with higher molarity has the tendency to osmotically draw more water from the potato stick than a solution with lower molarity.

Therefore, the potato stick will have the largest decrease in mass in 1 mol per dm3 sodium chloride when compared to the 0.5 and 0.1 mole per dm3 solutions.

3. On what continent did homínids originate?
Asia
Africa
North America
South America

Answers

Answer:

These are from africa

Under which conditions would on-site inspection be better than off-site at a specialized test lab?

Answers

On-site inspection would be better than off-site at a specialized test lab under conditions where real-world environment, immediate feedback, and accessibility are crucial factors. On-site inspections allow for a more accurate assessment of the actual working conditions, minimize disruptions to operations, and facilitate timely communication between the inspectors and the facility's personnel.

     There are certain situations where an on-site inspection would be better than an off-site inspection at a specialized test lab. For example, if the equipment being tested is too large or sensitive to transport, it may be more practical to conduct the inspection on-site. Additionally, if the test requires monitoring and adjustment in real-time, an on-site inspection may be necessary to ensure accurate results. On the other hand, if the test can be conducted remotely and the equipment is not too large or sensitive, an off-site inspection at a specialized test lab may be more convenient and cost-effective. Ultimately, the decision to conduct an on-site or off-site inspection will depend on the specific requirements of the test and the capabilities of the testing facility.

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Can mutation be stopped? CAn our DNA act as a gaurd to stop mutation before it happens? Why does the genetic code get affected by UV rays?

Answers

A mutation can be stopped or reversed by the cell's DNA repair machinary. The body have a complex system that make sure to protect the cell from errors in the replication of DNA and the other steps of DNA synthesis. If the complex system involved in the copying of DNA fails mutations can heppen so the cell's have a repairs mechanism to prevent those errors from happening. There may still be cases where the repais is not efficient and the continuation of the error exist.

Individual ants of the same species use pheromone trails to indicate the path to different food sources or back to their own colony. This is an example of



~growth and response



~genotype mutation



~inclusive fitness



~phenotypic plasticity

Answers

The answer is Option #1

in buon fresco, the pigments, combined with water, are applied to

Answers

In buon fresco, the pigments, combined with water, are applied to wet lime plaster.

Buon fresco, also known as true fresco, is a painting technique that involves applying pigments to wet lime plaster. The word "buon" means "good" in Italian, signifying the excellent durability and longevity of this method.

The process of creating a buon fresco painting begins by preparing a wall or a panel with multiple layers of plaster. The final layer, called the intonaco, is made of lime and sand mixed with water. The intonaco layer is applied while wet and provides the working surface for the fresco painting.

To create the colors for the fresco, pigments are ground into a fine powder and then mixed with water. The pigments used in buon fresco are typically mineral-based, such as natural earth pigments or synthetic pigments specifically formulated for this technique.

As the intonaco is still wet, the artist must work quickly to apply the pigments. Using a brush, the artist applies the pigments directly onto the wet plaster. The pigments bond chemically with the lime in the plaster, creating a durable and permanent bond. As the plaster dries and cures, the colors become an integral part of the wall or surface.

The water in the wet plaster plays a crucial role in the fresco process. It acts as a vehicle for the pigments, allowing them to blend and spread easily on the surface. The water also facilitates the chemical reaction between the pigments and the lime, ensuring the colors become embedded in the plaster.

Once the fresco is complete, the wall or panel is left to dry and cure. As the plaster dries, it hardens and becomes a solid surface, securely preserving the pigments within. The result is a vibrant and durable work of art that can withstand the test of time.

Buon fresco has been used for centuries to create magnificent frescoes, particularly during the Renaissance period in Italy. Artists such as Michelangelo and Raphael employed this technique to decorate churches, palaces, and public spaces with breathtaking mural paintings. The combination of pigments and water applied to wet lime plaster allows for rich, saturated colors and a remarkable level of detail, making buon fresco a revered and enduring art form.

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What usually happens to a population of organisms when the region's carrying capacity has been reached?

Answers

Answer:

the population starts to slowly decline

Explanation:

The population will decline drastically because there is not enough resources to sustain the population or increase the population.

When a plant is not strong enough to hold its own weight what’s most likely the problem?

Answers

The main factor resulting in the weakening of plant stems is the absence of firm xylem tissues.

What holds the plant's weight up?

Sclerenchyma tissue is composed of stiff cells that serve to sustain the weight of a plant organ. Sclerenchyma cells come in two different varieties: fibers and sclereids. The five elements that plants require to thrive are sunlight, the right temperature, moisture, air, and nutrition.

The natural or manmade habitats where plants live give these five things. Simply put, a lack of nutrients is one of the most frequent causes of houseplants ceasing to grow. Even though it may seem simple, one of the most frequent causes of a plant's failure to develop is a lack of the nutrients it needs to survive.

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What is the differences between mitosis and meiosis and explain why there is meiosis 1 and 2 in cell division but this is not happening with mitosis

Answers

Answer:

Explanation:

Cells divide and reproduce in two ways, mitosis and meiosis.

Mitosis results in two identical daughter cells, whereas meiosis results in four cells.

Keys differences and similarities between the two types of cell division.

                                             Mitosis                  Meiosis

cells created:          two daughter cells      four daughter cells                                                          

Ploidy Creates diploid daughter cells Creates haploid daughter cells

Genetics  Daughter cells are                 Daughter cells are  .                                                                                 .                      genetically identical                  genetically different

Why is there a meiosis II but not mitosis II?

Meiosis II is generally regarded as being very similar to mitosis, except for the presence of two parent cells, instead of only one. In both meiosis I and II, cytokinesis occurs, and there are two daughter cells per parent cell.

what are the different types of waste? and what are the methods used in biodegrable waste managment​

Answers

Answer:

liquid waste , solid waste,harzadious waste,recyclable rubbish and organic waste

Help with biology plzz USA test prep

Help with biology plzz USA test prep

Answers

Answer:

see below

Explanation:

amplification: MUTATION = a type of mutation

independent assortment: MENDELIAN = how different

genes independently separate from one another

when reproductive cells develop

nondisjunction: MUTATION = a type of chromosomal

mutation

translocation: MUTATION = another type of chromosomal

mutation

codominance: MENDELIAN = a relationship between two

genes where neither allele is recessive and both

are expressed

insertion: MUTATION = a type of mutation

radiation: MUTATION = causes mutations

virus: MUTATION = causes mutations as the virus

replicates

deletion: MUTATION = a type of mutation

law of dominance: MENDELIAN = one of Mendel's laws

of inheritance

sex linked traits: MENDELIAN = linkage is an exception

to Mendel's law of independent assortment

incomplete dominance: MENDELIAN = when none of the

factors of a gene is dominant and there is a blend,

such as a red flower crossed with a white flower

turns out pink

law of segregation: MENDELIAN = one of Mendel's laws

of inheritance

substitution: MUTATION = a type of mutation

In Visayas.
II. True or False
1. Banduria is a soprano instrument and usually plays the melodic line of the composition.
12. Laud is from a latin word "lute"
13. Guitar is a popular musical instrument with 8 strings
14. Tultogan is an ensemble of drums and bamboo
15. Binanog is an example of string instruments
16. Octavina has a long neck compared to guitar with 14 strings and 16 frets
17. Bajo de Arco is the largest among instruments in the most string assemble.
18. Juan Silos, Jr. Is also known as "father of Rondalla"
19. Tongali is a nose flute which is playedwith the extreme forward edge of the right or left
nostrils
20. Gangsa Palook are gongs beaten with wooden mallets​

Answers

Visayas is a region in the Philippines that is rich in musical heritage and traditional instruments.

True: Banduria is a type of stringed instrument that is commonly played in the Visayas. It is indeed a soprano instrument and often plays the melodic line of the composition.

False: Laud is not derived from the Latin word "lute". It is actually a type of lute that originated from the Spanish word "laúd".

True: The guitar is indeed a popular musical instrument with 8 strings that are widely used in Visayas and other parts of the Philippines.

True: Tultogan is an ensemble of drums and bamboo that is traditionally used in Visayas for various cultural and religious events.

True: Binanog is an example of a string instrument commonly played in the Visayas.

False: Octavina is a type of stringed instrument that is similar to the guitar but with a longer neck. It typically has 8 strings and 16 frets.

False: Bajo de Arco is not the most prominent instrument in a string ensemble. It is actually a type of double bass that is used in various traditional and folk music in the Visayas.

True: Juan Silos, Jr. is known as the "father of Rondalla" and is recognized for his contributions to Philippine folk music.

True: Tongali is a type of nose flute that is played with the extreme forward edge of the nostrils.

True: Gangsa Palook is gongs beaten with wooden mallets and commonly used in Visayas for various musical and cultural events.

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Sienna made a chart listing characteristics of two kinds of echinoderms.




Which headings correctly complete the chart?


X: Sea Urchins

Y: Brittle Stars


X: Brittle Stars

Y: Sea Urchins


X: Sea Cucumbers

Y: Brittle Stars


X: Brittle Stars

Y: Sea Cucumbers

PLEASE HELP ME!!!!!!!!!!!!

Answers

Answer:

Your answer will be A

Explanation:

Hope this helps and i hope to get it correct myself also lets be friends.

Answer:


it is A



Explanation:


i did the test


hope it helps


(#*=*)






Which DNA fingerprinting technique examines the length variation of DNA repeat sequences in human DNA?

Answers

The DNA fingerprinting technique that examines the length variation of DNA repeat sequences in human DNA is called Variable Number Tandem Repeat (VNTR) analysis.

VNTRs are DNA regions that comprise short, repeating nucleotide sequences. Because the number of repeats at a specific VNTR locus can differ between people, it is a useful tool for DNA profiling.

VNTR research entails amplifying VNTR regions with PCR and then sorting the amplified fragments by size with gel electrophoresis.

Unique DNA profiles can be produced by comparing the size and number of amplified fragments between different people, which can then be used for identification and other purposes.

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A researcher who is studying the behavior of lions interacting with zebras is interested in what level of ecology

Answers

A researcher studying the behavior of lions interacting with zebras would be interested in the ecological level known as the community or the ecosystem level.

At the community level, the researcher would be investigating the interactions between lions and zebras as part of a larger community of organisms within their shared habitat. This includes understanding how predation by lions influences the behavior and population dynamics of zebras, and how the presence of zebras affects the hunting strategies and social structure of lion prides.

At the ecosystem level, the researcher would be examining the broader ecological context in which lions and zebras coexist. This involves studying the interactions between the lion-zebra interaction and other species and environmental factors within the ecosystem. For example, the researcher might investigate how the presence of lions and zebras affects the vegetation dynamics, nutrient cycling, and overall biodiversity of the ecosystem.

By studying these ecological levels, the researcher can gain insights into the intricate relationships between lions and zebras, their impacts on the community and ecosystem, and the ecological processes that shape their behavior and interactions.

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You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.

Answers

If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.

A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:

Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.

Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.

These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.

In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.

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You are studying a population of Dlugoschs Small Octopus that has been suffering from a skin disease.

Explain the process that links the physical sensory world and
the brain for each of the senses (vision, hearing, taste, smell,
and touch).

Answers

The process that links the physical sensory world and the brain for each of the senses (vision, hearing, taste, smell, and touch) is known as transduction.

Here's how transduction works for each of the senses:

1. Vision: The eye transduces light energy into neural impulses, which are then transmitted to the brain via the optic nerve.

2. Hearing: The ear transduces sound waves into neural impulses, which are then transmitted to the brain via the auditory nerve.

3. Taste: Taste buds on the tongue transduce chemical signals from food into neural impulses, which are then transmitted to the brain via the gustatory nerve.

4. Smell: Olfactory receptor cells in the nose transduce chemical signals from odors into neural impulses, which are then transmitted to the brain via the olfactory nerve.

5. Touch: Sensory receptors in the skin transduce physical pressure, temperature, and pain into neural impulses, which are then transmitted to the brain via various sensory nerves.

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One student made the incomplete diagram shown below to represent the relationship between magma igneous rocks and metamorphic rocks.


Which of these is the correct next step to complete the diagram?

A. Put an arrow labeled cools and crystallizes pointing from igneous rocks to metamorphic rocks

B. Put an arrow labeled cools and crystallizes pointing for metamorphic rocks to igneous rocks

C. Put an arrow labeled heat and pressure points in from igneous rocks to metamorphic rocks

D. Put an arrow labeled heat and pressure pointing from metamorphic rocks to igneous rocks

One student made the incomplete diagram shown below to represent the relationship between magma igneous

Answers

Answer:

C. Put an arrow labeled heat and pressure pointing from igneous rocks to metamorphic rocks

Explanation:

Metamorphic rocks are changed rocks that are formed from pre-existing rocks that were once sedimentary or igneous rocks. Heat and pressure majorly act on igneous rock, which over time change these rocks into a different rock entirely, known as metamorphic rocks.

Therefore, the next step to complete the diagram will be:

"C. Put an arrow labeled heat and pressure pointing from igneous rocks to metamorphic rocks."

perfrom a monohybrid cross between two parents heterzygous for straight hair. Straighy hair is dominant to curly, which is recessive. What percentage of their offspring will have straight hair? Curly hair? Identifty the genotypic ratio for their offspring

Much appriciated in advance :)

Answers

Answer:

Percentage of offspring with straight hair: 75%

Percentage of offspring with curly hair: 25%

Genotypic ratio: 1:2:1

Explanation:

In a monohybrid cross between two parents heterozygous (carrying one dominant and one recessive allele) for straight hair, where straight hair is dominant (S) and curly hair is recessive (s), the genotypes of the parents can be represented as Ss.

To determine the percentage of their offspring with straight hair and curly hair, we can use Punnett square analysis.

The Punnett square for the monohybrid cross between the parents would look like this:

      S      s

S    SS     Ss

s    Ss     ss

From the Punnett square, we can see that there are four possible genotypes for the offspring: SS, Ss, Ss, and ss.

The genotypes SS and Ss correspond to individuals with straight hair, while ss corresponds to individuals with curly hair.

So, the percentage of their offspring with straight hair would be 75% (3 out of 4 possible genotypes), and the percentage with curly hair would be 25% (1 out of 4 possible genotypes).

The genotypic ratio for their offspring would be 1:2:1, meaning that for every four offspring, one would have the genotype SS (homozygous dominant for straight hair), two would have the genotype Ss (heterozygous for straight hair), and one would have the genotype ss (homozygous recessive for curly hair).

Hope this helps!

The client who has recently undergone treatment with chemotherapy and radiation has a reduction in all three hematopoietic cell lines. This is known as?

Answers

The client who has recently undergone treatment with chemotherapy and radiation has a reduction in all three hematopoietic cell lines. This is known as Pancytopenia.

The three hematopoietic cell lines lead to the formation of red blood cells, white blood cells and platelets. All these cells play important roles in various body functions.

Pancytopenia is a condition in which the quantity of red blood cells, white blood cells and platelets decrease in the body of a person. Chemotherapy and radiation are serious procedures that along with killing the cancerous cells also destroy many of the normal cells of the body. Hence, chemotherapy and radiation leads to decrease in all the three hematopoietic cell lines of the body causing a condition referred to as Pancytopenia.

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A researcher studying lobsters notices that there are distinctly different populations found in certain areas of their distribution. She postulates that this is due to primarily to coevolutionary relationships that are different in different areas due to the distribution of various parasites and mutualistic partners of the lobster species. If this hypothesis is correct it would be a clear example of ______________.

Answers

She postulates that this is due to primarily to coevolutionary relationships that are different in different areas due to the distribution of various parasites and mutualistic partners of the lobster species. If this hypothesis is correct it would be a clear example of mosaic coevolution.

According to the mosaic hypothesis of coevolution, geographic location and community ecology influence the different coevolution between closely related species in various populations. These populations might be divided in terms of time or location. Interspecific relationships can be mutualistic or hostile depending on the ecological circumstances. In mutualisms, both individuals gain from the encounter, whereas in antagonistic interactions, one partner typically has decreased fitness.Arms races involve two species figuring out how to "one up" each other. These correlations are influenced by a number of variables, such as trait mixing, hot regions, and cold places.

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She postulates that this is primarily to coevolutionary relationships that are different in different areas due to the distribution of various parasites and mutualistic partners of the lobster species. If this hypothesis is correct it would be a clear example of mosaic coevolution.

What is mosaic coevolution?

The mosaic theory of coevolution states that geographic location and community ecology have an impact on the many coevolution between closely related species in different populations.

These populations may be separated based on time or place. Depending on the ecological context, interspecific relationships might be friendly or hostile.

In mutualism, both parties benefit from the interaction, whereas one party often has worse fitness in hostile interactions.

Arms races occur when two species try to outdo one another.

Trait mixing, hot locations, and cold places are only a few of the factors that affect these connections.

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A scientist eliminated all living organisms in a jar of soup by heating it. He then left the soup jar uncovered for some days. After a few days, he saw molds in the soup. What most likely formed the mold?

1) Mold spores present around the jar
2) Nonliving matter in the environment
3) Water molecules in the soup
4) Glass particles in the jar

Answers

Answer:

1)Mold spores present around the jar

Which of these can be decomposed by a chemical change?

Which of these can be decomposed by a chemical change?

Answers

Answer:

B) CO

Explanation:

Chemical decompsition or breakdown is defined as the process in which a substance can be broken down into simpler compounds through chemical means.

CO or carbon monoxide can be decomposed by chemical change because it can be broken down into into carbon and oxygen.

While Co (cobalt), Cr (chromium), and Cu (coppoer) are present in its simplest form and can not be decomposed further.

Hence, the correct answer is "B) CO".

Question 2 of 15
Which quality has the most impact on a source's credibility?
A. Which organization published the source
B. How detailed the source is
C. What type of evidence the source gives
O D. Whom the author knows

Question 2 of 15Which quality has the most impact on a source's credibility?A. Which organization published

Answers

The answer to that question is a

Answer:

A. which organization published the source.

Explanation:

1. Many factors affect blood flow and delivery to the organs of the body. Which of the following factors causes the greatest increase in blood flow?

(A) Vasoconstriction
(B) Decreasing vessel length
(C) Vasodilation
(D) Decreasing blood viscosity

2. Pacemaker cells in the heart are very important. Which of the following would result if the pacemaker cells depolarized and reached threshold faster than normal?

(A) The ORS would increase in amplitude (get taller)
(B) The P-wave would increase in amplitude (get taller)
(C) The ventricles would produce more force when contracting
(D) Heart rate would increase

3. An animal with a pulmocutaneous circulation sends blood to which of the following via its "breathing" circuit?

(More than one answer is possible. Indicate ALL correct answers for full credit)

(A) Lungs
(B Organ tissues
(C) Gills
(D) Skin

4. Which of the following is true of respiratory pigments?

(A) They are designed specifically to carry carbon dioxide, but can carry some oxygen.
(B) They are designed specifically to carry only carbon dioxide and no oxygen.
(C) They are designed specifically to carry oxygen, but can carry some carbon dioxide.
(D) They are designed specifically to carry only oxygen and no carbon dioxide.
(E) They are designed to carry oxygen and carbon dioxide equally well.

5. The tissues have a coz of 46 mmHg. Which of the following Pco2 levels would cause carbon dioxide to diffuse from the tissues and into the systemic capillaries?

(A) 40
(B) 50
(C) 160
(D) 100
(E) 46

Answers

(C) Vasodilation(D) Heart rate would increase(C) Gills(D) They are designed specifically to carry only oxygen and no carbon dioxide.(B) 50

In the first question, it is asked what influences organ blood flow and what influences blood flow most significantly. Vasodilation, which describes the enlargement of blood vessels, is the right response (C).

What transpires when the heart's pacemaker cells depolarize and cross the threshold more quickly than usual is the subject of the second query. The right response is (D) The heart rate would rise.

Which organ(s) does an animal with a pulmocutaneous circulation deliver blood to via its "breathing" circuit is the subject of the third query. Lungs in (A) and Skin in (D) are the appropriate response(s).

The fourth query concerns respiratory pigments and the gas that they are intended to convey. The right response is (C) They are built specifically to transport oxygen.

The sixth query concerns the partial pressure of carbon dioxide in tissues and the Pco2 value at which carbon dioxide would permeate into the systemic capillaries from the tissues. The right response is (B) 50 mmHg.

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What happens if a news story goes over its allotted time?
O The newscast runs over its time
The news director gets mad
O The pacing must be adjusted
The anchor gets fired

Answers

Answer:

C, The pacing must be adjusted.

Explanation:

Say a segment goes over its allotted time by 2 minutes. Because those 2 minutes are lost, then another segment will just have to be shortened by 2 minutes to make up for the lost time.

Answer:

B.

Explanation:

Welp. can't be A. It's dum.b

Good luck!

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