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
Hybridization
A river
Q. Which of the following would contribute to anagenesis?
Niche partitioning
Natural selection
Assortative mating
Hybrid infertility
Dispersal
Q. Which of the following would likely contribute to cladogenesis?
Genetic drift
Hybridization
Plate tectonics
Polyploidy
Random mating
Q. Which of the following does NOT present a problem for defining species under the BSC?
Asexual reproduction
Hybridization
Horizontal gene transfer
Allopatry
Potential versus actual interbreeding
Q. Which of these factors would be most useful for distinguishing species by the Ecological Species concept?
DNA
Morphology
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
Sympatric
Parapatric
Allopatric
Hybrids
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