Neurons of which nervous system relay information about the external environment to the brain?

a. central
b. somatic
c. autonomic
d. sympathetic
e. parasympathetic


b

Biology & Microbiology

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The vertebral arches surround and protect the

A) vertebrae. B) ribs. C) cranial nerves. D) spinal cord. E) spinal nerves.

Biology & Microbiology

Why did internal fertilization likely evolve? 

A. To increase the chances of successful fertilization. B. As a response to copulation. C. Because there were no safe places to lay eggs. D. As an adaptation to life in a terrestrial environment.

Biology & Microbiology

Cytokinesis usually occurs just prior to mitosis. Indicate whether the statement is true or false

Biology & Microbiology

Transplantation of an individual's skin from one place to another is an example of a(n):

A) autograft B) allograft C) xenograft D) heterograft

Biology & Microbiology