Which of the Following Is Required for Natural Selection to Occur

question 16

Multiple Choice

Which of the following is required for natural selection to occur in a population?

• A) variation in the population
• B) inheritance of variation through genetic differences
• C) differential reproduction so that the more fit individuals have more offspring that survive to reproduce
• D) accumulation of adaptive traits so that they increase in the population
• E) All of the choices are required.

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Definitions:

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time, also known as the just noticeable difference (JND).

Sensory Adaptation

The process by which sensory receptors become less sensitive to constant stimuli, allowing individuals to adapt to their environment.

Top-Down Processing

A cognitive process that starts with the brain applying what it knows and expects to perceive and interpret new information.

The Fovea

A tiny pit located in the macula of the retina that provides the clearest vision of all; it's responsible for sharp central vision.