#Question id: 4631
#Unit 11. Evolution and Behavior
As a young biologist, Charles Darwin had expected the living plants of temperate South America would resemble those of temperate Europe, but he was surprised to find that they more closely resembled the plants of tropical South America. The biological explanation for this observation is most properly associated with the field of
#Question id: 4632
#Unit 11. Evolution and Behavior
Which of these conditions should completely prevent the occurrence of natural selection in a population over time?
#Question id: 4633
#Unit 11. Evolution and Behavior
Natural selection is based on all of the following except
#Question id: 4634
#Unit 11. Evolution and Behavior
Which of the following represents an idea that Darwin learned from the writings of Thomas Malthus?
#Question id: 4635
#Unit 11. Evolution and Behavior
Which statement about natural selection is most correct?
#Question id: 4636
#Unit 11. Evolution and Behavior
Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection?
1. Well-adapted individuals leave more offspring than do poorly adapted individuals.
2. A change occurs in the environment.
3. Genetic frequencies within the population change.
4. Poorly adapted individuals have decreased survivorship.