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Mechanisms of Evolution

Mechanisms of Evolution

Mechanisms of Evolution: The World Evolves Around Me True or False

1. Selection occurring when one extreme of a population phenotype is favored isDisruptive
2. DNA mutations canBe adaptive to an organism
3. What type of evolution best describes when speciation occurs?Convergent evolution
4. A female blue jay chooses a mate with the brightest feather and prettiest song. This is calledGenetic drift
5. The bottleneck effect is a type of this mechanism of evolutionGenetic drift
6. The fitness of an organism is attributed to the organism'sAll of the above
7. Which of the following situations could lead to the bottleneck effect in a species of seagulls?Intrasexual selection between male seagulls
8. A species of geese migrates to an area with several other geese populations. What might occur as a result?Mutations
9. Which of the following is NOT a type of natural selection:Sexual selection
10. In a population of rainbow trout, 10% of gametes carry an allele that codes for shinier scales. A second allele codes for a duller scale. What percent of the population is heterozygous for scale shininess?2%