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Marrrta [24]
3 years ago
7

What is negative feedback, and how does this process help to keep values (like body temperature) constant or within a small rang

e of values?
Biology
1 answer:
const2013 [10]3 years ago
5 0

Answer:

Negative feedback mechanism may be defined as the system of the body in which the final output reduces the process and result in the less output. Negative feedback mechanism is important for the regulation of homeostasis.

The negative feedback mechanism maintains the constant body temperature. The change in body temperature is sensed by the receptors. The low body temperature initiates the hypothalamus to increase the physiological process.    The blood vessels narrow, body start shivers and hormone stimulation increases body temperature. When the body temperature become normal, the hypothalamus will no longer be stimulated and stop its effect.

You might be interested in
Finches that live in an isolated area with limited access to seeds and water is an example of what mechanism in Darwin's theory
Brums [2.3K]

Answer:

c. Limits on population growth

Explanation:

Darwin was heavily influenced by Malthusian theory of how population growth was influenced by growth limits. For Darwin, the population growth of species of living beings would be influenced by the limits imposed by the environment in which these species live, through the amounts of natural resources available to the population.

Thus, Darwin concludes that when the environment allowed an abundance of natural resources, such as water and food, the population of living beings would tend to grow more, however, when natural resources are limited, the population would grow less. This is called "population growth limits".

An example of this can be seen in the question above, where finches that live in an isolated area have limited access to seeds and water.

4 0
3 years ago
No need to explain, just give me the answer cuz I have to submit my HW in 10 minutes:(
Cloud [144]

Answer:

I think the answer is NADH

5 0
2 years ago
In this scenario, the plant on the left has an opaque cap that only covers the coleoptile (shoot tip), while the plant on the ri
denis23 [38]

Answer:

The plant on the left does not accumulate significant photochlorophyll or carotenoids, so it will become very pale on the shoot tip, while the plant on the right will continue to grow upward as auxin is uniformly distributed around the tip of the right plant.

Explanation:

Phototropism is the orientation of a plant in response to light, either towards the source of light or away from light. Positive phototropism is growth towards light, while negative phototropism is away from light.

Auxin are substances that promote and regulate the growth and development of plants. Auxin escapes light making the area in the shade elongate more so the plant tip moves towards the light.

4 0
3 years ago
Madelyn was to identify cells as plant or animal. How can she pinpoint which are plant cells?
fredd [130]

Plant cells have a rectangular shape and a cell wall, while animal cells have a circular shape and no cell wall

7 0
2 years ago
A plant can produce either purple flowers or white flowers. What is the probability of purple-flowered offspring if two plants t
pickupchik [31]

Answer:

it should be 4:4

Explanation:

The p will stand for purple and the w will stand for white.

it would go like     P    |    P

                       W | PW | PW

                       W | PW | PW

8 0
3 years ago
Read 2 more answers
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