Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development. In one strategy, the female retains the young which develop and obtain nourishment from the female's blood. What is this called?
A. ovoviviparity
B. oviparity
C. protogyny
D. protandry
E. viviparity
Answer: E
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Which of the following statements about mammalian circulatory systems is false?
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If you were trying to build a mechanical model of a neuron without transmitting a signal, you would want the model to have a(n)
A. action potential of ?70 mV. B. resting potential of ?70 mV. C. resting potential of +35 mV. D. action potential of +35 mV. E. action potential of +70 mV.
2,4-D, a potent eudicot weed killer, is most
likely a synthetic a. auxin. b. gibberellin. c. cytokinin. d. phytochrome. e. none of these.
Amyloid plaques are routinely found in the brains of individuals affected by _____________________, where they
cause nerve cell degeneration and death. Fill in the blank(s) with the appropriate word(s).