Which of the following would not be considered part of the peripheral nervous system?
a. the eyes
b. the spinal cord
c. afferent neurons
d. the ears
e. efferent neurons
B
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Fragile X syndrome is caused by ____ on the X chromosome in humans
a. the presence of CCG repeats b. mutations within CCG repeats c. deletion of CCG repeats d. overreplication of CCG repeats e. the absence of CCG repeats
A graph illustrating the proportion of individuals in a population that live to a given age is called a(n):
a. survivorship curve. b. exponential growth curve. c. growth curve. d. "death isocline." e. logistic curve.
Which of the following is an example of deductive reasoning?
A) Living objects are composed of cells. B) Atoms make up molecules, which make up cells, which make up tissues. C) If an object exhibits all the characteristics of life, it must be living. D) All objects on Earth will fall down when dropped, and none will "fall up."
What are population pyramids used to show?
A. the carrying capacity B. competition C. age composition of a population D. birth rates E. death rates