the basic unit of structure for all organisms is called the

Answers

Answer 1

Answer:

cells unit

Explanation:


Related Questions

how does Genetic diversity happen

Answers

Answer:

Genetic diversity occurs when mutations create new alleles over time.

Explanation:

Answer:

Genetic diversity happens when mutations create new alleles over a period of time.

What is genetic diversity?

Genetic diversity in a very simple term is the natural variation that exists within the individuals of an species.

The first rule of Darwin's theory says, there is a natural variation. Leaving apart identical twin cases, no 2 individuals of the population are exactly similar, no matter how close they are. There are two factors that are responsible for this variation :

Phenotypic factors: the external factors like food, climate, the way of nurturing etc. These variations are not inheritable.Genotypic factors: these characters are gene governed and are inheritable.

The variations because of (2) are called “genetic diversity” of a particular species. The rich genetic diversity is of immense use to us and also to nature. Development of improved plants or race improvisation of domestic animals is possible through this.

We are fast narrowing down the global natural genetic diversity of animals and plants by our un mindful modernization activities. The loss is great and unrepairable.

What would be the best option for showing locations of housing and industry on a city map?

a) labeling housing zones with a single dot
b) using grid lines and icons to show city zones
c) drawing a circle around the industry areas
d) using arrows to point out housing and industry

Answers

The best option for showing locations of housing and industry on a city map is drawing a circle around the industrial areas. Thus option "C" is correct.

What are general reference maps?

Road maps and historical maps are general reference maps as it shows the physical (natural and man-made) features in an area and can use different colours to differentiate different rods and locations.

Early formed maps or historical maps are general reference maps as it can represent the discovery of a landscape briefly.

Thus option "C" is correct.

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Can anyone help me please and please thank you

Can anyone help me please and please thank you

Answers

Answer: call me daddy

Explanation:

ill give you a honey bun

You have a plant that you want to show off at a party. The party happens during autumn (aka fall). Usually in autumn (aka fall) the leaves of your plant fall off. You want to delay the leaves falling off your plant until after the party. What plant hormone would you use to help keep the leaves on? ethylene O cytokinins O gibberellins auxin

Answers

Answer:

Auxins

Explanation:

Auxin is a plant hormone that has to do with both leaf and fruit fall.

explain why you have so many responses to one stimulus

Answers

Answer:

When a stimulus is detected by a sensory receptor, it can elicit a reflex via stimulus transduction.

if a student analyzes the sounds and syllables in a word, it is easier for the student to store the word in semantic memory.
A. True
B. False

Answers

A pupil can more easily store a word in their semantic memory if they break down the sounds and syllables in a word.

Even if a learner has not yet gained knowledge of speech sounds at the phoneme level, the student can learn to read fluently with broad phonological awareness. Semantic memory is a type of long-term memory that involves recalling ideas, concepts, and facts that are typically thought of as general knowledge. Factual knowledge like grammar and algebra are examples of semantic memory. It is applicable to both whole texts and single words. Students of semantics examine the small differences in meaning between words like "destination" and "final stop," which technically mean the same thing.

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The different types of rewards and punishments that can be used to reinforce or discourage goal-oriented behavio and gives motivation, I it true, Elaborate further.

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Yes, it is true that different types of rewards and punishments can be used to reinforce or discourage goal-oriented behavior and provide motivation.

Rewards and punishments are commonly employed in various settings, including education, work environments, and personal goal setting.

Rewards, like praise, recognition, incentives, or tangible items, can be used to reinforce desired behaviors and motivate individuals to continue working towards their goals. Rewards provide a positive reinforcement that associates the behavior with a positive outcome, increasing the likelihood of the behavior being repeated in the future. For example, in the workplace, employees may receive bonuses or promotions for achieving certain targets or exhibiting exceptional performance.

On the other hand, punishments, such as reprimands, fines, or loss of privileges, can be used to discourage undesirable behaviors and create a deterrent effect. Punishments serve as a form of negative reinforcement, associating the behavior with an unpleasant consequence, which reduces the likelihood of the behavior being repeated. For instance, in a classroom setting, students may face disciplinary actions or receive lower grades for violating rules or not meeting academic expectations.

It is important to note that the effectiveness of rewards and punishments may vary depending on individual differences, cultural factors, and the nature of the task or goal. Some individuals may respond better to certain types of rewards or punishments, while others may be motivated by intrinsic factors or have different preferences for reinforcement strategies.

Moreover, it is crucial to strike a balance between the use of rewards and punishments to maintain a positive and motivating environment. Over-reliance on punishments or the absence of rewards can lead to demotivation and negative emotional experiences. Creating a supportive and encouraging atmosphere that combines both positive reinforcement and constructive feedback is often the most effective approach to promote goal-oriented behavior and sustained motivation.

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albinism is an autosomal recessive trait in humans. assume that there are 100 albinos (aa) in a population of 1 million. how many individuals would be expected to be homozygous normal (aa) under equilibrium conditions? question 7 options: 100 10,000 19,800 980,100 999,900

Answers

The Hardy Weinberg rule states that in the lack of evolutionary driving forces, allele and allele frequency in a population stay unchanged.

What short terms define population?

The population is the number of people residing in a certain area. Estimating the population enables us to determine how many beings there are and how best to respond. For instance, we can determine how many resources a city will require if you know the exact population of that city. Animals can be treated in a similar manner.

What are types and population?

A population is an identified grouping of objects with the purpose of analysis and information gathering. Examples include people and animals. It is made up of a similar collection of animals that live there.

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do foxes like chicken? yes or no made by fox

Answers

Answer:

yes

Explanation:

Answer:

yes

Explanation:

- Which of the following would lead to a cooling of our climate?
-An increase of carbon -dioxide in the atmosphere
-Melting polar ice caps
-Warming of the oceans
-An increase of plant life

Answers

Answer:

it would be an increase of plant life

Explanation:

the reason for this is that plants take up the carbon dioxide and give us fresh o2

In a marine ecosystem, producers __________. a. synthesize food from components of the abiotic environment b. eat consumers c. extract their energy from the water d. never decompose e. are an important source of carbon dioxide

Answers

Answer:

a. Synthesize food from components of the abiotic environment

Explanation:

Producers are organisms which typically obtain energy via the sun, an abiotic factor, so b. is incorrect (those that eat other consumers are called consumers). This suggests that producers are plants, which don’t produce carbon dioxide (e. is incorrect), can decompose (virtually all things that die can decompose so d. is incorrect), and don’t extract energy from water (yes, photosynthesis requires water, but it is not the sole substance use to generate energy for plants; thus, c. is incorrect).

Answer: a. option is correct synthesize food from components of the abiotic environment

Explanation: Marine ecosystem are the type of ecosystem exists in water. it has high levels of dissolved salt also covers most of the area on earth.

Producers in an ecosystem means the organisms which can make their own food. In marine ecosystem, some of the examples of producers are Red algae, Green algae, Daitoms etc. Producers performs a process in which they make their food and gain energy from the abiotic environment.

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11. The governments of many countries have regulations
that are designed to prevent the accidental
introduction of nonnative insects into their countries.
This is because, in these new habitats, the nonnative
insects might
1) become food for birds
2) not survive a cold winter
3) not have natural predators
4) add to the biodiversity

Answers

4) add to the biodiversity.

this one is right. I’m sure. Hope it helps!

Answer:

The answer is 3. Not have natural predators.

Explanation:

Nonnative insects in new habitats mean that there are no predators there that eat them. This means that choice 1 will be eliminated. Now choice 2 also isn't it since if the insects do not survive a cold winter, there wouldn't be any nonnative insects in the habitats, causing no need to have strict regulations. Between choices 3 and 4, 4 doesn't make any sense. If it adds to a habitat's biodiversity, the ecosystem will benefit from it. However, the nonnative insects will harm the ecosystem, causing choice 4 to be eliminated. This means that only choice 3 is left. Choice 3 also makes sense since the nonnative species are also invasive species, having no natural predators in the new habitat. So, the answer is 3. Not have natural predators.

When u sit an egg in water where does the water go and why

Answers

if you put the egg in a cup of only water, the water will being to move inside the egg through the membrane to equalize the amount of water inside and outside of the egg membrane. This process of water moving through a membrane is called osmosis.

Match each description to the appropriate tool. measures a variety of data, including pH levels and conductivity measures temperature, humidity, wind speed, and pressure gathers information about local atmospheric conditions can digitally record data, such as flow rate

Answers

Answer:

1. Scientific probe.

2. Weather station.

3. Weather station.

4. Scientific probe.

Explanation:

1. Scientific probe: measures a variety of data, including pH levels and conductivity. Thus, a scientific probe is a device that is typically used for measuring science-based data such as electrical conductivity, pH levels, salinity etc., of various materials.

2. Weather station: measures temperature, humidity, wind speed, and pressure. Basically, a weather station comprises of various devices for measuring atmospheric conditions such as thermometers, barometers, hygrometer, wind vane etc., used for the measurement of temperature, atmospheric pressure, relative humidity and wind speed respectively.

3. Weather station: gathers information about local atmospheric conditions.

4. Scientific probe: can digitally record data, such as flow rate.

Answer:

SCIENTIFIC PROBE

1. measures a variety of data, including pH levels and conductivity

2. can digitally record data, such as flow rate

WEATHER STATION

1. measures temperature, humidity, wind speed, and pressure

2. gathers information about local atmospheric conditions

Explanation:

These are the correct matches for this question, I got it correct on my test

in one or two sentences, describe how the terms in each of the following pairs are related. Underline each term in your answer.

in one or two sentences, describe how the terms in each of the following pairs are related. Underline

Answers

Explanation:

6) Unicellular is an organism with one cell, while multicellular is an organism with multiple. Both of them create organisms/living things.

7) Organelles are located in the cell and perform certain jobs.

8) Prokaryotes are organisms made up of cells and Eukaryotes are also organisms made up of cells.

9) Tissues come together to create organs, organs work together to help bodily functions.

Which of the four factors that affect evolution apply to the finches that the Grants studied? Use
evidence from your research to support your answer. (15 points)

Answers

Answer:

Natural Selection in Real Time

"When we made the comparison between the size of the offspring generation and the population before selection, we found a measured, evolutionary response had taken place and it was almost identical to what we had predicted."

-Peter Grant

Darwin thought that evolution took place over hundreds or thousands of years and was impossible to witness in a human lifetime. Peter and Rosemary Grant have seen evolution happen over the course of just two years.

The Grants study the evolution of Darwin's finches on the Galapagos Islands. The birds have been named for Darwin, in part, because he later theorized that the 13 distinct species were all descendants of a common ancestor. Each species eats a different type of food and has unique characteristics developed through evolution. For example, the cactus finch has a long beak that reaches into blossoms, the ground finch has a short beak adapted for eating seeds buried under the soil, and the tree finch has a parrot-shaped beak suited for stripping bark to find insects.

The Grants have focused their research on the medium ground finch, Geospiza fortis, on the small island of Daphne Major. Daphne Major serves as an ideal site for research because the finches have few predators or competitors. (The only other finch on the island is the cactus finch.) The major factor influencing survival of the medium ground finch is the weather, and thus the availability of food. The medium ground finch has a stubby beak and eats mostly seeds. Medium ground finches are variable in size and shape, which makes them a good subject for a study of evolution.

The first event that the Grants saw affect the food supply was a drought that occurred in 1977. For 551 days the islands received no rain. Plants withered and finches grew hungry. The tiny seeds the medium ground finches were accustomed to eating grew scarce. Medium ground finches with larger beaks could take advantage of alternate food sources because they could crack open larger seeds. The smaller-beaked birds couldn't do this, so they died of starvation.

In 1978 the Grants returned to Daphne Major to document the effect of the drought on the next generation of medium ground finches. They measured the offspring and compared their beak size to that of the previous (pre-drought) generations. They found the offsprings' beaks to be 3 to 4% larger than their grandparents'. The Grants had documented natural selection in action.

While beak size is clearly related to feeding strategies, it is also related to reproduction. Female finches tend to mate with males that have the same size beaks. These factors together can add to the development of new species.

The Grants return each year to Daphne Major to observe and measure finches. They have been collecting data on the finches for over 25 years and have witnessed natural selection operating in different ways under different circumstances.


Chec
When Mendel crossed a plant with green peas and a plant with yellow peas, what color peas did the offspring have?
O All offspring had green peas.
O All offspring had yellow peas.
O Half of the offspring had yellow peas and half had green peas.
O Some of the offspring had yellow peas and some had yellow-green peas

Answers

It would be B, he had yellow peas :)

Answer:

The answer is B: All offspring had yellow peas.

Explanation:

:)

when considering the different types of unit cells of metals, body-centered unit cells have how many lattice points?

Answers

When examining the various kinds of metal unit cells, body-centered unit organisms have nine lattice points.

This unit cell is made up of nine lattice points, of which one is located in the center of the cube and eight are corner atoms that make up the cube. The center atom and the corners each make a contribution one net atom for a total of three net atoms.

A unit cell corner is a particle, ion, or compound that is prevalent in the particle at a specific lattice position. The cubic unit cell is the most basic functional group in a cubic phase with the body at its center.

The bcc lattice can be compared to a component cubic cell because it has two lattice points per cell. Each lattice point has eight closest neighbors. It is also possible to state that the concentration is 8.

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Define photophosphorylation?

Answers

The photophosphorylation is the synthesis of ATP from ADP and phosphate in the plants using the light energy absorbed during the photosynthesis process.

what is a pathogen and what are the four types of pathogens?

Answers

There are different types of pathogens, but we're going to focus on the four most common types: viruses, bacteria, fungi, and parasites.

Pathogens are the infectious disease causing microorganisms that could be really fatal for the survival of human beings if not treated on time.

Pathogenic microorganisms cause diseases in host organisms and depending upon their tendency to cause many serious diseases they are termed as virulent or non virulent in nature.

In general biological terms they are known as infectious agents or simply the germ cell.

There could be some other pathogens as well like prions, viroids etc.

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Please help me, really need it

Please help me, really need it

Answers

Answer:

they r more sever for them because they r a mixed blood type

sumtimes it is very rare for anyone of a mixed blood type to be more vunarable to a diesise rather than a full a or b

Explanation:

Answer:

I believe it is because having two x chromosomes gives the genome a fail safe as it can use the other x chromosomes' non-mutated sequences

Explanation:

Unicellular organisms have different structures from each other.Explain why.

Answers

Answer:

The reason why is because in the process of reproduction; there are some mistakes in DNA replication (out of billions of base pairs about 120,000 mistakes). This is what brings us so much variation in organisms.

Consider the following two statements about succession.
Student 1:
Matthew - As succession begins, communities tend to be dominated by mostly K-selected species. As succession continues, r-selected species tend to compete better and therefore become more and more common.
Student 2:
Iman - As succession begins, communities tend to be dominated by mostly r-selected species. As succession continues, K-selected species tend to compete better and therefore become more and more common.
Which student is correct?
a. Provide a rationale for your answer (2 marks)
b. Provide a specific example of succession which includes at least one example of an r-selected and one example of a K-selected species. (1 mark)
Note - No marks are earned by simply agreeing with either Matthew or Iman

Answers

The correct answer is student 2

An eight-year-old boy dramatically increased his upper body strength after following a six month resistance training program. Which of the following is most likely responsible for this gain?
A. Increased number of muscle fibers
B. Enhanced cross-sectional area
C. Greater muscle density
D. Improved neuromuscular functioning

Answers

Answer: D. Improved neuromuscular functioning

Explanation:

The neuromuscular functioning is one of the main reason for a person to become stronger, so the correct answer will be this one.

CAN YOU MARK ME BRAINLIEST?

The intensity of sunlight on Earth is affected by

A.) the mass of Earth
B.) the speed of Earth
C.) the number of rotations of Earth
D.) the curved surface of Earth

Answers

Answer:

The correct answer is D.) the curved surface of Earth.

Explanation:

The intensity of sunlight on Earth is affected by the curved surface of Earth, which causes the sunlight to spread out over a larger area. As a result, the intensity of sunlight is less at any given point on Earth's surface than it would be if Earth had a flat surface. This also explains why the poles receive less sunlight than the equator, as sunlight is spread out over a larger area near the poles due to the curvature of the Earth.

Factors such as the mass of Earth, the speed of Earth, and the number of rotations of Earth do not directly affect the intensity of sunlight on Earth.

A person is lying quite still, he or she still needs energy.

Answers

A person is lying quite still his or her cells, organs are not working properly due to which the food he or she has eaten does not convert into simplest form and he/she will not get energy.

Energy is needed for the body's different biochemical activities to take place while someone is lying still. For instance, the synthesis of glycogen, lipids, and amino acids from the food we eat requires energy. Additionally, energy is needed for a number of metabolic functions like cell division and respiration, which occur constantly.

A persons heart, brain, and other involuntary activities are performed by using energy from the food we eat each day, of which his brain uses 60%. This proves that even people who lie quite a bit need energy.

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Compare and contrast a fossil with a trace fossil. Please help fast. I'm being timed.
Answer choices:
A. Both fossils and trace fossils are types of rocks. However, a fossil is created with large amounts of heat, and a trace fossil is created by large amounts of pressure.
Both fossils and trace fossils are types of rocks. However, a fossil is created with large amounts of heat, and a trace fossil is created by large amounts of pressure.

B. Both fossils and trace fossils are created by organisms from very long ago. However, a fossil is created by the organism itself, and a trace fossil is created by the activity of the organism rather than the organism itself.
Both fossils and trace fossils are created by organisms from very long ago. However, a fossil is created by the organism itself, and a trace fossil is created by the activity of the organism rather than the organism itself.

C. Both fossils and trace fossils are created by organisms from very long ago. However, a trace fossil is created by the organism itself, and a fossil is created by the activity of the organism rather than the organism itself.
Both fossils and trace fossils are created by organisms from very long ago. However, a trace fossil is created by the organism itself, and a fossil is created by the activity of the organism rather than the organism itself.

D. Both fossils and trace fossils are types of rocks. However, a trace fossil is created with large amounts of heat, and a fossil is created by large amounts of pressure.

Answers

Answer:

I'm going to go with b.

Explanation:

What is the role of xylem in a vascular plant?
A. Transports salt to the roots of the plant
B. Transports chloroplasts to the leaves of the plant
C. Transports carbohydrates from the leaves to the roots
D. Transports material from the roots up into the plant
SUBMIT

Answers

the correct answer is D

The role of the xylem in a vascular plant is to transport material from the roots up into the plant.

What do you mean by Vascular plants?

Vascular plants may be defined as those plants that have a specialized conducting system that includes xylem and phloem.

Xylem is known to transport water and all essential nutrients and minerals from the roots to the leaves.

Phloem on the other hand transport food from the leaves to the roots.

Therefore, the role of the xylem in a vascular plant is to transport material from the roots up into the plant.

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how do the molecular components in carbohydrates compare to the molecular components in amino acids?

Answers

Answer:

I'm in the stars tonight so watch me be the fire and light the

Which of the following is an example of facilitated diffusion?

A. liquid molecules colliding with one another
B. reaching an equal amount of molecules on both sides of a membrane
C. Red blood cells allowing glucose to move in and out
D. cytoplasm keeping an organelle in place

Answers

Answer:

I am not very sure but it is most probably C.

Answer:

Red blood cells allowing glucose to move in and out

Explanation:

facilitated diffusion:

diffusion of molecule due to concentration gradient via transport proteins

glucose movement through membrane occur via GLUT transporters

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