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mario62 [17]
3 years ago
15

How can changes in a populations gene pool occur

Biology
2 answers:
zubka84 [21]3 years ago
8 0

Answer:

GENE POOLS

Explanation:

Vedmedyk [2.9K]3 years ago
3 0
A gene pool changes throughout evolution this could be natural selection, genetic drift or a mutation. A gene pool does this to adapt with the needs of the environment it is in
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Vitamin b-12 is important for the synthesis of ______, which serves to insulate nerve cells.
devlian [24]

The right answer is myelin.

Vitamin B12, also called cobalamin is a vitamin B group, so it is water soluble. It is a very important vitamin for the functioning of the brain, the nervous system and in the synthesis of DNA. This vitamin must be provided by the diet, the populations most at risk of deficiency are vegans as well as the elderly because of their low consumption of food of animal origin.

Vitamin B12 is essential for the good health of the nervous system: It is particularly at the level of the myelin sheath that vitamin B12 plays a role in thus participating in the protection of nerve cells.

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3 years ago
My doctor told me that birth control pills contain small amounts of estrogen and progesterone, and these hormones prevent me fro
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Ok... This is a bit complicated but bear with me. In a female's body Estrogen and Progesterone are two of the major used to maintain the menstruation cycle. Gonadotrophic substances are an entirely different topic with it being the hormones FSH and LH (These hormones are released while an egg is in development in the ovaries). 

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8 0
3 years ago
What is natural selection? Give example
Ksenya-84 [330]

Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment. For example, treefrogs are sometimes eaten by snakes and birds.

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2 years ago
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