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Katen [24]
3 years ago
14

9. Natural selection explains how ______ change as their environments

Biology
1 answer:
Novosadov [1.4K]3 years ago
6 0

Answer:

In natural selection, genetic mutations that are beneficial to an individual's survival are passed on through reproduction. This results in a new generation of organisms that are more likely to survive to reproduce. ... The process carries on generation after generation.

Explanation:

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Rus_ich [418]
False because the body needs different nutrition's from different food groups
4 0
3 years ago
to maintain a line of pure-breeding peas , selective breeders would use a technique called __________.
Basile [38]
To maintain a line of pure-breeding peas, selective breeders would use a technique called artificial cross-pollination. This is a technique were breeders transfer pollen from the anthers of one pea plant (male parent) to a stigma of a flower (female parent).

This technique was developed by Gregor Mendel, the founder of the science of genetics. He was a monk who dedicated his time in research about how genes of plants are carried over through specific species. In his controlled experiment he used the pea plant because they are cheap and readily available from merchants who sold them in different classifications. He also used pea plants because they have the capacity to self-pollinate or cross-pollinate.
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3 years ago
Explain why the grey mice have a higher fitness. Cite evidence from the diagram to support your answer.
iren2701 [21]

Answer:

Grey Mice have a higher fitness because their phenotype allows them to blend in with their environment, thus helping them to avoid predators. This allows them to survive and reproduce better than the other mice.

6 0
3 years ago
Read 2 more answers
On the SIMULATION pane, what is the Average fitness of the population
Bond [772]

Answer:

50&

Explanation:

8 0
2 years ago
Pepsin, an enzyme that is found in the stomach of humans, functions in breaking down proteins. It is denatured as it travels to
AnnZ [28]

Answer:

A. pH

Explanation:

Denaturation of proteins is a protein whereby the protein molecule loses its primary structure and ultimately its physical functioning as a result of factors including pH, temperature or concentration of chemicals. Based on this definition, it is visible that denaturation of proteins can be caused by these three factors: pH, chemical and temperature.

However, in this case of PEPSIN enzyme, which is a proteinous molecule produced in the stomach of humans and functions in breaking down proteins, its denaturation occurs as it moves along the digestive tract to the intestines. This is as a result of the changes in pH in the digestive tract.

The pH of the stomach where pepsin is produced is acidic i.e. <3.0. However, as one moves towards the intestine, the pH increases, which is unfavorable or considered harsh for the pepsin enzyme. Hence, it gets denatured.

7 0
3 years ago
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