Quiz: 4b - Mechanisms Of Evolution
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- 1.What is the term for a feature that allows an organism to survive better in its environment?
- A.
Variation
- B.
Adaptation
- C.
Vestigial structure
- D.
Allele
- 2.What type of selection occurs when individuals in a population with the intermediate phenotype are selected for?
- A.
Directional selection
- B.
Stabilizing selection
- C.
Intermediate selection
- D.
Disruptive selection
- 3.The combined alleles of all the individuals in a population is called the ___.
- A.
Allele frequency
- B.
Gene pool
- C.
Adaptation
- D.
Phenotype frequency
- 4.
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Which effect of natural selection is depicted in the graph?- A.
Directional selection
- B.
Disruptive selection
- C.
Stabilizing selection
- D.
Sexual selection
- 5.
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Which effect of natural selection is depicted in the graph?- A.
Directional selection
- B.
Disruptive selection
- C.
Stabilizing selection
- D.
Sexual selection
- 6.
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Which effect of natural selection is depicted in the graph?- A.
Directional selection
- B.
Disruptive selection
- C.
Stabilizing selection
- D.
Sexual selection
- 7.When a few individuals start a new colony, it most likely results in ...
- A.
Genetic drift through the founder effect.
- B.
More variety in the new population.
- C.
Extinction due to the bottleneck effect.
- D.
Mutation due to disruptive selection.
- 8.The movement of alleles from one population to another is called ___.
- A.
The founder effect
- B.
Microevolution
- C.
Genetic drift
- D.
Gene flow
- 9.Which of the following is not a mechanism for evolution?
- A.
Natural selection
- B.
Sexual selection
- C.
Genetic drift
- D.
Random mating
- 10.Which of the five mechanisms of evolution is illustrated in the following scenario: A change in body color enabled animals to better hide from predators.
- A.
Natural selection
- B.
Gene flow
- C.
Genetic drift
- D.
Mutation
- 11.When bull elephants charge each other and but heads, they are exhibiting ____ behavior.
- A.
Intrasexual selection
- B.
Intersexual selection
- C.
Isolation
- D.
Natural selection
- 12.When a male bird of paradise displays its tail feathers, it is exhibiting ____ behavior.
- A.
Intrasexual selection
- B.
Intersexual selection
- C.
Isolation
- D.
Natural selection
- 13.When an individual ___ from its population, the genetic diversity of the population decreases.
- A.
Emigrates
- B.
Immigrates
- C.
Isolates
- D.
Mutates
- 14.When an individual ___ into a new population, the genetic diversity of this new population increases.
- A.
Emigrates
- B.
Immigrates
- C.
Isolates
- D.
Mutates
- 15.Which of the following is not a condition for Hardy-Weinberg equilibrium?
- A.
No natural selection
- B.
No sexual selection
- C.
No mutation
- D.
No genetic drift
- E.
No gene flow
- F.
No overproduction
- 16.___ is a type of reproductive isolation in which oceans, mountains, or deserts keep populations from interbreeding.
- A.
Geographic isolation
- B.
Behavioral isolation
- C.
Temporal isolation
- D.
Intersexual isolation
- 17.___ is a type of reproductive isolation in which differing mating rituals prevent individuals from different populations from mating.
- A.
Geographic isolation
- B.
Behavioral isolation
- C.
Temporal isolation
- D.
Intersexual isolation
- 18.___ is a process by which unrelated organisms independantly evolve similar features in response to changes in the environment.
- A.
Coevolution
- B.
Convergent evolution
- C.
Divergent evolution
- D.
Deevolution
- 19.___ is a type of evolution in which organisms change in response to other organisms with which they have ecological relationships.
- A.
Coevolution
- B.
Convergent evolution
- C.
Divergent evolution
- D.
Deevolution
- 20.The process by which new species arise from prior species is known as ___.
- A.
Speciation
- B.
Genetic anomaly
- C.
Divine creation
- D.
Bottleneck effect
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