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Speciation: When One Species Isn't Enough Quiz

Think you’ve got your head wrapped around Speciation? Put your knowledge to the test. Good luck — the Stickman is counting on you!
Q. Which of the following is an example of an extrinsic isolating barrier?

Geographic incompatibility
Mechanical incompatibility
Personality incompatibility
Gametic incompatibility
Behavioral incompatibility
Q. Which of the following is an example of a potential prezygotic isolating barrier?

Hybrid infertility
Hybrid breakdown
Hybrid inviability
A river
Q. Which of the following would contribute to anagenesis?

Niche partitioning
Natural selection
Assortative mating
Hybrid infertility
Q. Which of the following would likely contribute to cladogenesis?

Genetic drift
Plate tectonics
Random mating
Q. Which of the following does NOT present a problem for defining species under the BSC?

Asexual reproduction
Horizontal gene transfer
Potential versus actual interbreeding
Q. Which of these factors would be most useful for distinguishing species by the Ecological Species concept?

Food choice
Geographic distribution
Evolutionary history
Q. Assortative mating is an example of

Geographic isolation
Temporal isolation
Gametic incompatibility
Postzygotic isolation
Prezygotic isolation
Q. Secondary contact occurs with species that were formerly

None of the above
Q. Reinforcement is a theory of

Geographic isolation
Behavioral isolation
Temporal isolation
Postzygotic isolation
Prezygotic isolation
Q. When a colonizing population of organisms finds a new habitat and rapidly diverges to occupy all niches, it is an example of

Geographic speciation
Punctuated Equilibrium
Adaptive radiation
Niche expansion
Species dispersal