E-PolyLearning

271. Population growth is checked by
a. competition
b. no competition
c. no polymorphism
d. polymorphism
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Answer: (a).competition

272. Two species can avoid competition, and better use the environment's resources by occupying different
a. adaptations
b. polymorphism
c. nitches
d. specialization
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Answer: (c).nitches

273. Adaptation is caused by
a. Darwin's natural selection
b. Lamarck's ideas
c. Hardy
d. Weinberg
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Answer: (a).Darwin's natural selection

274. The genetic change in a population caused by natural selection is called
a. polymorphism
b. adaptation
c. specialization
d. gene linkage
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Answer: (b).adaptation

275. Adaptation of traits to better fill a niche is called
a. polymorphism
b. gene linkage
c. specialization
d. replication
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Answer: (c).specialization