Question 1

Punctuated equilibrium proposed by Eldredge and Gould in 1972 is an evolutionary process that involves

Accepted Answer

A)  gradual change observable in the fossil record with very little, if any, stasis.
B)  "spurts" of change observable in the fossil record followed by periods of stasis.
C)  gradual change observable in the fossil record followed by periods of stasis.
D)  "spurts" of change observable in the fossil record with very little if any stasis.E) B) and D)
F) B) and C)

Question 2

Which form of speciation is most rapid?

Accepted Answer

A)  allopatric speciation on the mainland
B)  allopatric speciation on island archipelagos
C)  sympatric speciation via polyploidy
D)  sympatric speciation via disruptive selectionE) A) and D)
F) A) and C)

Question 3

Diversification of mammals after the extinction of the dinosaurs is considered an adaptive radiation because a few mammal species rapidly evolved into most of the current mammalian lineages in a relatively short amount of time.This diversification was partially driven by the evolution of endothermic homeostasis in mammals, which is an example of

Accepted Answer

A)  allopatric speciation.
B)  reproductive isolation.
C)  a key innovation.
D)  hybridization.E) None of the above
F) A) and D)

Question 4

Many species might coexist in a particular environment by occupying different ecological rev: 11_18_2013_QC_40588

Accepted Answer

A)  biomes.
B)  niches.
C)  territories.
D)  domains.E) A) and C)
F) All of the above

Exam 22: The Origin of Species

Many species might coexist in a particular environment by occupying different ecological rev: 11_18_2013_QC_40588

Correct Answer
verified

Which form of speciation is most rapid?

Correct Answer
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Correct Answer
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Punctuated equilibrium proposed by Eldredge and Gould in 1972 is an evolutionary process that involves

Correct Answer
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Exam 22: The Origin of Species

Many species might coexist in a particular environment by occupying different ecological rev: 11_18_2013_QC_40588

Correct AnswerverifiedShow Answer

Which form of speciation is most rapid?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Punctuated equilibrium proposed by Eldredge and Gould in 1972 is an evolutionary process that involves

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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