Multiple Choice
According to Bergmann's rule, as average environmental temperature decreases, which of the following is most likely to occur in endothermic animal populations?
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1. Introduction to Biology
Natural Selection and Evolution
Multiple Choice
Evolution through natural selection will occur most rapidly for populations of plants that:
A
Are already well adapted to the environment.
B
Reproduce sexually and live in an unstable environment.
C
Live in an unchanging environment.
D
Are in the same genus.
Verified step by step guidance1
Understand the concept of natural selection: Natural selection is a process where organisms better adapted to their environment tend to survive and produce more offspring. It is a key mechanism of evolution.
Consider the role of sexual reproduction: Sexual reproduction increases genetic diversity within a population. This diversity provides a wider range of traits that can be selected for or against by environmental pressures.
Analyze the impact of environmental stability: In an unstable environment, conditions change frequently, which can create new challenges for survival. Populations in such environments may evolve more rapidly as they adapt to these changes.
Evaluate the adaptation level: Populations that are already well adapted to their environment may experience slower evolutionary change because there is less pressure to adapt further.
Consider the genetic relationship: Being in the same genus does not necessarily affect the rate of evolution through natural selection. The key factors are genetic diversity and environmental pressures.
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