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joja [24]
3 years ago
11

As an environment changes, and some organisms have a higher fitness than other, natural selection acts directly on

Biology
1 answer:
olga2289 [7]3 years ago
6 0
Natural selection acts directly on those gene variations for traits or phenotypes.
The phenotype of an organism is the physical characteristic and is determined by the organism's genotype. Natural selection selects the genes that produce a certain phenotype by providing suitable conditions for a certain phenotype.
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Which gland is stimulated when a person suddenly comes across a snake. Explain what happens in our body when
krek1111 [17]

Answer: Adrenal gland

Explanation: It is an automatic response known as the 'Fight or Flight response, that is stimulated by our adrenal gland that is in our endocrine system produces adrealine.

These glands are located above the kidneys, and they secrete adrelaine when a person is angry or afraid. As in this situation, you see that the person is most likely to be afraid.

Adrelaine causes increase in heartbeat and blood pressure, and produces other substances for instant energy. This is when the situation, as mentioned before, 'Flight or fight situation' comes in hand, which is, it prepares the person to run away, or to fight from a dangerous situation.

<em>Hey, this is Venom, and I think that this is most likely the answer. Hope it helps you. </em>

4 0
3 years ago
Chemical that causes cells to react in a certain way? A.stomata B.stimulus C.hormone D.photosythesis
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Answer:

The answer is C. Hormones

Explanation:

3 0
3 years ago
The lymphatic system is a fluid transport system vital for human health. Instead of blood, this system transports _________, whi
pogonyaev

Answer:

Blank 1:  lymph

Blank 2: interstitial

Explanation:

Lymphatic system has fluid called lymph and before it becomes lymph it comes from gaps between capillaries called interstitial spaces and its fluid called interstitial fluid.

7 0
4 years ago
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Give an example in which adding a new species to an ecosystem increases its biodiversity​
miv72 [106K]

Answer:

Well to give a good example of "ecosystem increases its biodiversity​" we must first define

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"the variety of life in the world or in a particular habitat or ecosystem."

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3 0
3 years ago
Binomial nomenclature uses words
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The system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet.
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4 years ago
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