This graph shows both human birth weight and
newborn infant mortality. The most common
birth weight is between seven and eight
pounds. Human birth weight seems to be an
example of
a. directional selection.
b. stabilizing selection.
c. sexual selection.
d. disruptive selection.
e. artificial selection
B
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Park's experiments on Tribolium indicated that the results of competition could vary depending on which of the following?
A. parasites. B. parasites, temperature, and moisture. C. temperature. D. moisture. E. time of day.
Which of the following statements about Kingdom Animalia is/are FALSE?
a. Diversification of animals is due in large part to motility. b. Diversification of animals is due in large part to predator prey interactions. c. Diversification of animals is marked by the evolution of specialized tissues and organ systems as well as complex behaviors. d. Vertebrates encompass only a small fraction of total animal diversity. e. All of these are true statements.
During Krebs cycle reactions the ____________________ NAD and FAD pick up H+ and electrons for processing in
the electron transport system. Fill in the blank(s) with the appropriate word(s).
Photosystem I and photosystem II are part of
A. the light reactions and the carbon reactions. B. the light reactions only. C. the light reactions and respiration. D. the carbon reactions only. E. respiration.