Respond to This Hypothetical Example of Evolution: a Population of Peppered

question 3

Multiple Choice

Respond to this hypothetical example of evolution: A population of peppered moths contains individuals ranging from ones that are mostly black to ones that are mostly white. The moths that are easily seen on the bark of trees get eaten by birds. If soot from coal-burning factories makes tree trunks darker in color, then there will be:

• A) no change in color variation among peppered moths
• B) more light-colored peppered moths than dark ones
• C) an increase in the population of moth-eating birds
• D) more dark-colored peppered moths than light ones

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Definitions:

Anterior Pituitary

The front portion of the pituitary gland, which secretes hormones that regulate a wide range of bodily functions, including growth and reproduction.

Aroused

The condition of being alert, awake, or stimulated, which can refer to physical, emotional, or sexual stimuli.

Epinephrine

A hormone also known as adrenaline, produced by the adrenal glands; it plays a key role in the body's fight-or-flight response to stress.

Polygenic Inheritance

A process by which traits are influenced by multiple genes, contributing to the phenotypic variability seen in complex traits amongst individuals.