BIO111 Quiz 18 (Complete)

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Punctuated equilibrium is most likely to occur in a large population that lives in a stable climate.

Which of the following statements is false?

when members of closely related species reproduce

Which reproductive combination produces hybrids?

natural selection

Which scientific concept did Charles Darwin and Alfred Wallace independently discover?

Two species of insects produce infertile offspring.

Which situation is NOT an example of a prezygotic barrier?

All the choices are correct.

Which situation is most likely an example of convergent evolution?

Flood causes the formation of a new lake.

Which situation would most likely lead to allopatric speciation?

reinforcement

Which term is used to describe the continued divergence of species based on the low fitness of hybrid offspring?

longer distance between divided groups

Which variable increases the likelihood of allopatric speciation taking place more quickly?

All of the choices will lead to natural selection.

Which of the following situations will lead to natural selection?

Both answers: a certain duck has a blue beak, and most cheetahs live solitary lives.

Which description is an example of a phenotype?

offspring with 2n + 1 chromosomes

Which of the following is most likely to survive?

Fusion is most likely to occur because the two species will interact more and similar traits in food acquisition will be selected.

If two species eat a different diet but one of the food sources is eliminated and both species are forced to eat the same foods, what change in the hybrid zone is most likely to occur?

It does not exchange genetic information with other species.

Which condition is the basis for a species to be reproductively isolated from other members?

the source of the extra chromosomes

What is the main difference between autopolyploid and allopolyploid

One involves the movement of the organism, and the other involves a change in the environment.

What is the main difference between dispersal and vicariance?

ongoing gene flow among all individuals

Which components of speciation would be least likely to be a part of punctuated equilibrium?


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