Kelps are a form of what group of protists?
a. brown algae
b. slime molds
c. water molds
d. ciliates
e. dinoflagellates
A
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Animals such as rabbits eat their own feces
a. False, this behavior is only seen in ruminants. b. True, this behavior is seen in many ruminants such as rabbits. c. False, however, this behavior can be observed in any malnourished animal. d. True, they can recapture some essential nutrients from their feces.
Stabilizing selection occurs when
a. the environment controls which organisms will survive. b. humans determine which organisms will survive.
c. the extremes of the population have a lesser chance to survive. d. the extremes of the population have a better chance to survive. e. the organisms on one extreme of the population have a better chance to survive than those on the other extreme.
The virulence of Haemophilus influenzae serotype b is associated with its ________.
A. fimbriae. B. neurotoxin. C. enterotoxin. D. capsule. E. None of the choices is correct.
The full range of energy in sunlight can best be described as:
A. infrared radiation B. ultraviolet light C. visible light D. electromagnetic radiation