In the Pleistocene period 10,000 years ago, there was a remarkable extinction of vertebrates in many continents, which may explain why the cheetah has famously low levels of genetic variation. Which evolutionary mechanism does this reflect? A. natural selection B. bottleneck effect C. founder principle
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Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth
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Which of the following soil types is most vulnerable to wind erosion? clay soils loamy soils coarse sand rocky soil (iām between b and
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Not all areas on earth's surface receive the same amount of radiation because earth's surface a. is flat c. has continents on it b. is curved d. is mostly water select the best answer from the choices provided a b c d
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In the Pleistocene period 10,000 years ago, there was a remarkable extinction of vertebrates in many...
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