Answer:
1 ans:True
2 ans:False
3ans:False
4ans:True
5ans:True
6ans:D
7ans:D
8ans:D
9ans:B
10ans:C
11ans:C
12ans:B
13ans:D
14ans:A
15ans:C
1. All living things are part of a population, and non-living things are not considered a part of the population. Thus, the given statement is True.
2. Adding more organisms to a population affects the existing populations by increasing the competition for resources such as space, food and water. Thus, the given statement is False.
3. Populations can either go up or down depending on the available resources. If the resources are less compared to the population size, there will be an increased competition for survival. If the resources are plentiful for the population, the population will increase. Thus, the given statement is True.
4. Populations of tulips can compete with other organisms for their nutrients and water if another species exists in their niche and the resources are limited. Thus, the given statement is True.
5. Humans have invaded the habitats of other species by habitat destruction which has caused other populations to move elsewhere for shelter and food. Thus, the given statement is True.
6. All living things are part of a population, which includes plants, insects, microorganisms, animals and humans. The correct option is D.
7. Populations can either increase or decrease depending on the available resources. This is applicable for humans as well. Thus, the correct option is D.
8. Populations can either be successful, that is increase or fail, that is decrease depending on the available resources, existence of enemies and rate of reproduction. Thus, the correct option is D.
9. As the wolf population increases, they will hunt more deers because of which the deer population will decrease. Thus, the correct option is B.
10. Endangered species refers to the organisms whose numbers have decreased to such an extent that they are now on the verge of becoming extinct. Thus, the correct option is C.
11. A population is made up by only the living components of that area. From the given options, all are living things except for computers. Thus, the correct option is C.
12. Different populations compete with each other for their survival for resources such as nutrients, space and sunlight. Thus, the correct option is D.
13. Bacteria are a type of organisms that are invisible to the human eye but visible under the microscope. Thus, the correct option is D.
14. A parasite is any organism that lives on or inside another organism and takes its nutrition also from that organism. Thus, the correct option is B.
15. Endangered species refers to the organisms whose numbers have decreased to such an extent that they are now on the verge of becoming extinct. Thus, the correct option is C.
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Identify the form carbón takes in the biosphere, hydrosphere geosphere and atmosphere
One of the most effective ways to improve the nourishment of children worldwide is
a. ) Encourage mothers to wean their infants shortly after their first birthday
b. ) Provide generous subsidies for infant formula
c. ) Encourage breastfeeding
d. ) Mandate the fortification of infant formula with iron and zinc
The most effective way to improve the nourishment of children worldwide is to encourage breastfeeding. Breast milk is the most nutritious and complete food for infants, providing all the nutrients, vitamins, and minerals needed for optimal growth and development.
Encouraging mothers to breastfeed can be done in several ways, such as providing education on the benefits of breastfeeding, creating supportive environments for breastfeeding, and ensuring that mothers have access to adequate maternity leave to establish and maintain breastfeeding. Governments and organizations can also work to address barriers to breastfeeding, such as lack of information and support, cultural norms, and concerns about modesty.
While infant formula can be a useful alternative to breast milk in certain situations, such as when the mother is unable to breastfeed or when the infant has a medical condition that requires a specialized formula, it is not a substitute for breast milk. Infant formula is also costly and may be difficult to obtain in many developing countries.
Fortifying infant formula with iron and zinc can be helpful in preventing nutrient deficiencies, but it is not a replacement for breastfeeding. Breast milk naturally contains iron and other essential nutrients in the proper amounts and forms for an infant's needs, and the act of breastfeeding also helps promote the absorption of these nutrients.
In conclusion, encouraging breastfeeding is the most effective way to improve the nourishment of children worldwide. This can be achieved through education, support, and addressing barriers to breastfeeding. While infant formula and fortification can be useful in certain situations.
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8. Continental drift states that continents have moved (quickly or slowly) to their current location.
Answer:
Respondent agreed the continental drift theory, which stated that continents are constantly moving on Planet's crust. Pangaea started to break up over time, and the continents gradually shifted to their current locations.
Explanation:
List 4 types of molecules important for cell processes.
ANSWER :
CarbohydratesLipidsProteinsNucleic acidsHope it helps ya...!!♡
Why is a high medullary interstitial osmolarity important to renal function?
A. It allows retention of water in the urine.
B. It allows solutes to leave the filtrate.
C. It allows for fine-tuning of hormonal release from granular cells.
D. It allows reabsorption of water.
A high medullary interstitial osmolarity is important to renal function because it allows for the reabsorption of water.
The medullary interstitium refers to the fluid-filled spaces surrounding the renal tubules in the kidney's medulla. The osmolarity of this interstitial fluid plays a crucial role in renal function, particularly in the process of water reabsorption.
When the medullary interstitial osmolarity is high, it creates a concentration gradient in the kidney. This gradient is essential for the reabsorption of water from the renal tubules back into the bloodstream. As the filtrate passes through the renal tubules, the high osmolarity of the medullary interstitium attracts water molecules through osmosis. This water reabsorption helps to concentrate the urine and maintain the body's fluid balance.
By reabsorbing water, the high medullary interstitial osmolarity allows for the concentration of waste products in the urine while conserving water in the body. This mechanism is crucial for maintaining proper hydration, electrolyte balance, and blood pressure regulation.
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What is the function of the plasma membrane? (1 point)
It helps recognize other cells.
It helps recognize other cells.
It helps filter waste inside the cell.
It helps filter waste inside the cell.
It contains hereditary material.
It contains hereditary material.
It helps plants maintain their shape.What is the function of the plasma membrane? (1 point)
It helps recognize other cells.
It helps recognize other cells.
It helps filter waste inside the cell.
It helps filter waste inside the cell.
It contains hereditary material.
It contains hereditary material.
It helps plants maintain their shape.
Answer:
it helps recognize other cells
The plasma membrane's primary role is to serve as a physical barrier between the inside organelles of the cell and the outside world. The function of the plasma membrane, it helps recognize other cells.
What is plasma membrane ?The membrane that divides the inside of the cell from the external environment is known as the plasma membrane, sometimes known as the cell membrane, and it is present in all cells. A cell wall is affixed to the plasma membrane on the outside of bacterial and plant cells.
The inner cell organelles and the exterior environment are physically separated by the plasma membrane. Only a limited range of molecules may enter and exit the cell through the selectively permeable plasma membrane.
Thus, the function of the plasma membrane, it helps recognize other cells.
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these visual pathway cells have high temporal resolution but low spatial resolution
The visual pathway cells that have high temporal resolution but low spatial resolution are the rod cells in the retina.
Rod cells are specialized photoreceptor cells that are responsible for detecting low levels of light and are primarily used in low-light conditions such as at night or in dimly lit environments.
Rod cells have high temporal resolution, meaning that they are able to detect changes in light quickly and respond rapidly to changes in the visual environment.
However, they have low spatial resolution, which means that they are not able to distinguish fine details and are less sensitive to color than cone cells.
In bright light conditions, cone cells become the dominant photoreceptor cells and provide high spatial resolution and color vision, while rod cells become less sensitive and contribute less to visual processing.
Thus, these visual pathway cells have high temporal resolution but low spatial resolution.
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Which of the following mutations at the DNA level is NOT a silent mutation? Use your amino acid codon sheet to answer the question.
A) CAA --> CGA
B) GGT --> GGC
C) TCA --> TCG
D) TAA --> TAT
The part of a transfer rna molecule that binds to the codon is the:.
Answer:
The part of a transfer rna molecule that binds to the codon is the anticodon
During the recovery period following exercise, all of the following are true except:
a) oxygen is consumed at above the resting rate.
b)lactic acid is removed from muscle cells.
c) muscle fibers are unable to contract.
d) heat is generated.
e) the muscle actively produces ATP.
The correct answer is (c) muscle fibers are unable to contract. During the recovery period following exercise, oxygen is consumed at above the resting rate, lactic acid is removed from muscle cells, heat is generated, and the muscle actively produces ATP.
Oxygen is consumed at above the resting rate: The body needs oxygen to generate ATP, and during exercise, the body is unable to provide the muscles with the required amount of oxygen. Thus, during the recovery period, the body tries to make up for the lost oxygen by consuming oxygen at a rate that is above the resting rate.
Lactic acid is removed from muscle cells: Lactic acid is produced during exercise, and it contributes to muscle fatigue. During the recovery period, the body removes the lactic acid from the muscle cells to prevent muscle fatigue.
Heat is generated: Exercise produces heat, and the body generates heat during the recovery period to maintain the body's temperature. The body can remove excess heat through sweating. The muscle actively produces ATP: During exercise, the muscles require ATP to contract. However, the body can't provide the muscles with the required amount of ATP during exercise. Therefore, the muscle actively produces ATP during the recovery period to recover the lost ATP.
However, muscle fibers are able to contract during the recovery period. This is because the muscles need to contract to generate ATP. Hence, the correct option is C. During the recovery period following exercise, all of the following are true except muscle fibers are unable to contract. Muscle fibers are not unable to contract; they are just recovering and may have a reduced ability to contract due to fatigue.
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Sweat glands, fur, and feathers are found on an endotherm.Question 8 options:TrueFalse
Sweat glands, fur and feathers are found on an endotherm is a true statement. This features help animals to regulate body temperature and keep it stable besides external conditions may vary.
____ neutralizes the acidic chyme as it enters the small intestine.
Answer: Bicarbonate neutralizes the acidic chyme as it enters the small intestine.
Explanation: I looked it up + trust me bro
Which characteristic should describe all evidence collected by a scientist?
Answer:
creativity, curiosity, Logical
1
The cell cycle includes mitosis. What happens
during mitosis?
A Each chromosome makes a copy of itself.
B The cell cytoplasm divides to produce
two cells.
C The cell prepares to divide.
D The nucleus divides so that each cell will
receive a complete set of genetic information.
Answer:
B.
Explanation:
The cell starts to duplicate itself, chromosomes and all, and ends up making two daughter cells
-Hope this helped.
The products in our society that contribute the most waste are those that are _____.
Answer:
disposable
Explanation:
Biodegradable products do not really present any problems because they can decompose on their own, thus they do not create any pollution. Aluminum is not as dangerous to the environment as plastics, for example.
How long does it take for sedimentary rock to melt into magma
Answer:
1.3 million years
Which best describes the following impacts: water storage, clean energy, and flood prevention?
Answer: Positive impacts of dams on society
Explanation: I just took the quiz ;)
Answer:
D. positive impacts of dams on society
Explanation:
E2020 other dude was right
define reproduction plz
Answer:
biological process by which new individual organisms are produced
Answer:
Reproduction is defined as a biological process in which an organism give rise to young ones similar to itself.
hope this will help you more
Chandra X-ray observatory has reported that they have found a new star near our solar system. The Chandra X-ray telescope detects x-rays in space. What does the use of the x-ray telescope review about the newly found star? ( PLS EXPLAIN Y THE ANSWER IS CORRECT)
a. The star produces electromagnetic waves with shorter wavelengths than visible light.
b. The star produces electromagnetic waves with lower frequencies than visible light.
c. The star produces pictures in addition to electromagnetic waves.
d. The star produces vibrating electrons
Answer:
It’s possibly b, or a but I am definitelyonly 49% sure
Explanation:
Hope this helped you Arianna!
The lowest layer of Earth’s atmosphere has undergone a large increase in temperature due to the presence of greenhouse gases. State the name of this temperature zone layer.
Answer:
Troposphere
Explanation:
The layer which has faced a large increase in temperature due to the presence of greenhouse gases is named the stratosphere.
What are the causes of the greenhouse effect?The greenhouse effect is the outcome of the presence of greenhouse gases in the atmosphere absorbing ultraviolet radiations reflected from the earth's surface. This result in rising in the temperature of the planet.
The cause of the greenhouse effect is deforestation which leads to rising in temperature as trees help to maintain the temperature of the earth. The burning of fossil fuels and industrial waste also leads to an increase in greenhouse gases.
Therefore, the stratosphere is the layer of the atmosphere that gets affected due to the presence of greenhouse gases in the atmosphere.
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why do we calculate percent change to see osmosis
Percent change is often used to measure the extent of osmosis because it allows us to compare the relative change in mass or volume of a sample before and after exposure to a different concentration of solute.
Osmosis is the movement of solvent molecules (such as water) from an area of low solute concentration to an area of high solute concentration through a selectively permeable membrane.
When a cell or tissue is placed in a solution with a higher solute concentration, water moves out of the cell, resulting in a decrease in volume and mass. Conversely, when a cell or tissue is placed in a solution with a lower solute concentration, water moves into the cell, resulting in an increase in volume and mass.
By measuring the percent change in mass or volume, we can determine the relative strength of the osmotic gradient and the extent to which osmosis has occurred.
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Within the noncoding portion of the human genome, _______ are DNA sequences that resemble protein-encoding genes, but their mRNA is not translated.
Answer:
pseudogenes
Explanation:
1. green anoles, a lizard species native to Florida, live in the branches of trees.2. Brown anoles, a lizard species introduced into Florida in the 1950s live in the branches of the same trees3. green anoles and brown anoles have a similar diet.4. Both lizard species eat the hatchlings of the other lizard species.5. after many generations, green anolies were observed to have larger and stickier toe pads than earlier generations.6. within the same trees green anoles now occupy the higher branches.Which conclusion is best supported by scientists observations?A) adaptations of the green anoles allow it to cling to thinner branches than they previously could cling to.B. competition has resulted in the brown anole being adapted to live in taller trees than they previously lived in.C. competition has resulted in the green anole being adapted to consume food sources from a different type of tree.D. adaptations of the brown anole allow it to hunt for prey and branches in a different location of the tree than the green anole does.t to hunt for prey and branches in a differentlocation of the tree than the green anole does.
According to the problem, after many generations, green anoles were observed to have larger and stickier toe pads than earlier generations and within the same trees, green anoles now occupy the higher branches. Note that the thinnest branches are generally the highest on the tree. This means that adaptations of the green anoles allow them to cling to thinner branches than they previously could cling to.
we can conclude that the correct answer is:
Answer:A) adaptations of the green anoles allow it to cling to thinner branches than they previously could cling to.
Hydrogen fuel cells are more environmentally friendly than biomass energy in which of the following ways?
1-Carbon dioxide is produced when hydrogen is produced from water in hydrogen fuel cells.
2-No emissions of carbon dioxide from the fuel cell when hydrogen is produced from water.
3-Volatile organic compounds are produced from the production of hydrogen fuel cells.
I only
II only
I and II only
I and III only
Answer:
Answer: II ONLY
Explanation:
"No emissions of carbon dioxide from the fuel cell when hydrogen is produced from water" is the only one that is an advantage, not a disadvantage, and makes sense.
I got it correct on the quiz.
Select the correct answer.
In which process are fossils formed by the compression of dead organisms over time?
A.
carbonization
B.
extinction
C.
mineralization
D.
radioactivity
Answer:
A
Explanation:
Answer:
a
Explanation:
If several highly educated scientists all study the same scientific data, which of the following is most likely to explain why they may all have different conclusions?
If several highly educated scientists all study the same scientific data, then they may have different conclusions because of the following factors:
Interpretation of data: Each scientist may have a different interpretation of the data, leading to different conclusions. This is because interpreting data involves the use of subjective judgment and prior experiences with similar data.
Personal biases: Personal biases may also affect the conclusions drawn from the scientific data. Personal biases refer to a scientist's preconceived ideas or prejudices that can influence their interpretation of the data. This can affect their ability to draw an objective conclusion.
Overemphasis of certain aspects: The overemphasis of certain aspects of the data or leaving out of certain details can result in different conclusions among scientists. Scientists may focus on different aspects of the data, leading to different conclusions.
Experimental setup and procedure: The experimental setup and procedure can also have an impact on the conclusions drawn from the data. If there are variations in the experimental setup or procedure, it can lead to different conclusions among scientists.
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true/false. bacterial plasmids are of particular interest to biotechnologists because plasmids
Bacterial plasmids are of particular interest to biotechnologists because they can deliver DNA to other cells. Plasmids are small, circular DNA molecules that exist independently within bacterial cells. Hence the statement is true.
They frequently contain genes that provide the bacterium benefits, including antibiotic resistance. Plasmids can be changed in biotechnology by having particular DNA sequences inserted into them.
Other bacterial cells can then be given these modified plasmids, essentially giving those organisms the required DNA. This procedure, which enables the manufacture of desired proteins, the investigation of gene function, and the creation of genetically altered creatures, is often employed in genetic engineering and biotechnology applications.
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The statement is true. bacterial plasmids are of particular interest to biotechnologists because they can be manipulated and used as tools in genetic engineering. Plasmids can be modified to carry specific genes of interest and then introduced into bacteria, allowing the bacteria to produce the desired protein or exhibit a desired trait. This process is commonly used in biotechnology to produce pharmaceuticals, enzymes, and other valuable products.
The statement is true. bacterial plasmids are small, circular DNA molecules that exist in bacteria. They are separate from the bacterial chromosome and can replicate independently. Plasmids often carry genes that provide advantages to the bacteria, such as antibiotic resistance or the ability to produce certain proteins.
biotechnologists are particularly interested in plasmids because they can be manipulated and used as tools in genetic engineering. Plasmids can be modified to carry specific genes of interest and then introduced into bacteria, allowing the bacteria to produce the desired protein or exhibit a desired trait.
This process is commonly used in biotechnology to produce pharmaceuticals, enzymes, and other valuable products. For example, plasmids can be engineered to carry the gene for insulin production, and then introduced into bacteria. The bacteria can then produce insulin, which can be harvested and used to treat diabetes.
Additionally, plasmids can be used as vectors to deliver genes into other organisms, including plants and animals, for various purposes such as creating genetically modified organisms or studying gene function.
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What is the correct sequence of renal tubule segments through which filtrate would flow? Multiple Choice Distal tubule, ascending timb of nephron loop, descending limb of nephron loop, proximal tubule Collecting duct proximal tubule, descending limb of nephron loop, ascending timb of nephron loop, distal tubule Proximal tubule, ascending limb of nephron loop, descending Imb of nephron loop, distal tubule Proximal tubule, descending limb of nephron loop, ascending timb of nephron loop, distal tubule
The correct sequence of renal tubule segments through which filtrate would flow is B. proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule.
The kidney consists of three primary sections: renal cortex, renal medulla, and renal pelvis, the renal tubule is a portion of the nephron that carries a filtrate away from the glomerulus. Each nephron in the kidney has a renal tubule, which is divided into four different regions. The four regions are the proximal convoluted tubule, the loop of Henle, the distal convoluted tubule, and the collecting duct. The proximal tubule is the segment of the renal tubule that immediately follows Bowman’s capsule and is responsible for most of the reabsorption of nutrients and ions from the glomerular filtrate.
The descending limb of the loop of Henle is the second segment of the renal tubule, which is responsible for reabsorbing water. The third segment of the renal tubule is the ascending limb of the loop of Henle, which is responsible for reabsorbing ions, particularly Na⁺ and Cl⁻. The final segment of the renal tubule is the distal tubule, which is responsible for reabsorbing additional ions and regulating the pH of the urine. So therefore the correct answer is B. proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule.
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The filtrate in the renal tubule flows in the sequence: Proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, and distal tubule, finally reaching the collecting duct where it gets converted into urine. These segments allow the reabsorption of water and useful substances, along with the expulsion of waste substances.
Explanation:The correct sequence of renal tubule segments in which filtrate would flow in the human body is: Proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule, and then the collecting duct. Kidney filtration starts at the Bowman's capsule which then passes it to the proximal tubule, the descending and ascending limbs of the nephron loop (Loop of Henle), followed by the distal tubule, and finally the collecting duct where it is converted into urine. The filtrate moves through these consecutive segments in order, a process which allows the body to reabsorb water and various useful substances while expelling waste substances as urine.
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Which of the following processes are endothermic?
The temperature of water increases from 20°C to 90°C.
Droplets of condensation form on the outside of a window.
Vapor rises off a block of dry ice.
An ice cube melts on a hot sidewalk.
Frost forms on the leaves of a tree.
Answer: I think your answer is "Vapor rises off a block of dry ice/An ice cube melts on a hot sidewalk."
Explanation: A good rule of thumb when figuring out whether a reaction is exothermic or endothermic is to consider whether it would be cold to the touch or hot to the touch. Heat usually means exothermic, and cold usually means endothermic.
An endothermic reaction is cold because it absorbs the heat from its surroundings in order to react. This takes the heat energy away and leaves its surroundings cold.
The answer can't be A because the water's rising temperature would let off heat. The answer can't be B because condensation does not make its environment colder. D is a little bit tricky, however, water freezing into frost is exothermic, not endothermic. This may seem counterintuitive because frost is cold, but this is true because when something freezes, it loses heat. Energy can't vanish, so the heat must be released into the environment. Because it technically releases heat, D is exothermic and is not the correct answer.
Summary: Fusion, vaporization, and sublimation are endothermic processes, whereas freezing, condensation, and deposition are exothermic processes.
Why plants Cannot absorb green light?.
Plants cannot absorb green light because the molecule they use to аbsorb EM rаdiаtion is chlorophyll, which is itself green.
Plаnts аbsorb аlmost аll the photons in the red аnd blue regions of the light spectrum, they аbsorb only аbout 90% of the green photons. If they аbsorbed more, they would look blаck to our eyes. Plаnts аre green becаuse the smаll аmount of light they reflect is thаt color.
Red аnd blue light is believed to hаve а higher quаntum yield of \(CO_{2}\)аssimilаtion. The blue аnd red pаrts of the spectrum аre effective to sаtisfy the energy requirement of plаnts. Hence plаnts аbsorb these two colors more thаn аny other colors.
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