Chapter 13 Review Quiz

25 July 2022
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question
Which of the following is a true statement about Charles Darwin? a. He was the first to discover that living things can change, or evolve b. He based his theory on the inheritance of acquired traits c. He proposed natural selection as the mechanism of evolution d. He was the first to realize that Earth is more than 6,000 years old
answer
c. He proposed natural selection as the mechanism of evolution
question
How did the insights of Lyell and other geologists influence Darwin's thinking about evolution?
answer
They presented evidence for the gradual change of geologic features over millions of years. Darwin applied this idea to suggest that species evolve through the slow accumulation of small changes over long periods of time
question
The process of _________ and ____________ generate variation, and ___________ produces adaptation to the environment a. Sexual reproduction... natural selection... mutation b. Mutation... sexual reproduction... genetic drift c. Genetic drift... mutation... sexual reproduction d. Mutation... natural selection... sexual reproduction e. Mutation... sexual reproduction... natural selection
answer
e. Mutation... sexual reproduction... natural selection
question
As a mechanism of evolution, natural selection can be most closely equated with a. random mating b. genetic drift c. unequal reproductive success d. gene flow
answer
c. unequal reproductive success
question
In a particular bird species, individuals with average-sized wings survive severe storms more successfully than 0ther birds in the same population with longer or shorter wings. Of the 3 general outcomes of natural selection (directional/disruptive/or stabilizing) this example illustrates ___________________
answer
Stabilizing selection
question
Which of the following statements is (are) true about a population in Hardy-Weinberg equilibrium? a. The population is quite small b. The population is not evolving c. Gene flow between the population and surrounding populations does not occur d. Natural selection is not occurring
answer
b. The population is not evolving c. Gene flow between the population and surrounding populations does not occur d. Natural selection is not occurring
question
A ____________________ is the smallest biological unit that can evolve
answer
Population