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stira [4]
3 years ago
10

Why would breeding year round favor natural selection?

Biology
1 answer:
NeTakaya3 years ago
7 0

Answer:

Only the strongest would survive each year and be able to breed

Explanation:

According to Darwin's theory of evolution if an animal were to be put into terrain whether local or new, the animal would need to adapt as its surrounding slowly change. If said animal is unable to adapt in time it will perish or be unable to produce strong offspring that will survive.  

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Which of these observations illustrate regional specialization in the human nervous system?
Savatey [412]
<h2>Regional specialization of  Human Nervous System</h2>

Explanation:

The statements that illustrate the regional specialization of human nervous system are-

a. Sensory information may be processed in the occipital lobe or the temporal lobe.

c. Reading a printed word out loud and then thinking of a related word involves the visual cortex, Broca’s area, and the frontal and temporal lobes.

Humans have the most developed nervous system among all the living organisms. Various parts  of the nervous system has been specialized  for various function. The human brain has been divided into different parts like cerebellum, cerebrum , medulla oblongata etc which are further divided into specialized parts. Each part is specialized to carry out particular function. Moreover, the nervous system has different types of neurons like motor neuron, sensory neurons and interneurons. Each type of neuron has specialized function.

8 0
3 years ago
According to slide 12, what is the relationship between opportunistic infections and the number of T cells a person has? Explain
podryga [215]

Answer:

The fewer number of T cells a person has, the more chances to be affected by an opportunistic infection. When the number of T cells reaches 200 cells/µl, the person is at risk of being infected by other infections.  

Explanation:

The whole immune system of a person who is infected with HIV infection seems to be severely affected.  When the person is not treated or the disease is in a very advanced stage, the depletion of the T- cells turns to be very sharped, especially CD4+ T cells. At this point, the immune system can not resist the attack of other microorganisms. The <em>lower is the number of CD4+ T Cells, the higher possibility the person has to be attacked by opportunistic infections. </em>

Classically, it has been suggested that opportunistic infections appear after the CD4 + T lymphocytes reach very low levels, such as 200 cells/µl. The number of circulating T cells can be used as an indicator and a measure of global "immune competence", and the previously mentioned amount of CD4 + T cells is an accepted universal reference used to predict the risk of having one of these opportunistic infections.

8 0
3 years ago
One function of the hematic system is to _____.
Alex777 [14]
Distribute blood through the body
6 0
3 years ago
DNA Replicates at which phase of the cell cycle? *
ivann1987 [24]
The correct answer is S phase
5 0
3 years ago
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What would happen to the bear population if the forest they lived in was cut down and a mall was built? A. The bear population w
Dimas [21]
A because if they build a mall there the bear have no where to live and they would die out.
7 0
3 years ago
Read 2 more answers
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