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Alinara [238K]
2 years ago
5

The rolls at the environment place in determining which species survive is referred to as what

Biology
1 answer:
tatuchka [14]2 years ago
3 0
Natural selection. think of survival of the fittest lol. weak genes die due to natural selection :)))
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Which of the following statement(s) is/are true regarding the adrenal glands' relationship with the autonomic nervous system?
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Answer:

The true statements regarding the adrenal glands' relationship with the autonomic nervous system are:

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e. The adrenal medulla is penetrated by the fibers of the sympathetic nervous system.

Explanation:

The  levels of the central nervous system which play important roles in influencing the autonomic nervous system include cerebral cortex, hypothalamus, brain stem, and spinal cord.  Usually, epinephrine (adrenaline) and norepinephrine are released into the blood stem when stress or a threat occurs.  This alert serves as a warning signal and defense system.  The purpose is to maintain homeostasis.

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