Speciation True or False

1.	Which of the following is an example of an extrinsic isolating barrier? -> Mechanical incompatibility True False
2.	Which of the following is an example of a potential prezygotic isolating barrier? -> A river True False
3.	Which of the following would contribute to anagenesis? -> Hybrid infertility True False
4.	Which of the following would likely contribute to cladogenesis? -> Random mating True False
5.	Which of the following does NOT present a problem for defining species under the BSC? -> Asexual reproduction True False
6.	Which of these factors would be most useful for distinguishing species by the Ecological Species concept? -> Food choice True False
7.	Assortative mating is an example of -> Prezygotic isolation True False
8.	Secondary contact occurs with species that were formerly -> Allopatric True False
9.	Reinforcement is a theory of -> Geographic isolation True False
10.	When a colonizing population of organisms finds a new habitat and rapidly diverges to occupy all niches, it is an example of -> Adaptive radiation True False

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