Sexual Dimorphic Markers Can Be Redefined Over Time as the Concept

question 85

True/False

Sexual dimorphic markers can be redefined over time as the concept of the ideal body type shifts.

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Definitions:

Directional Selection

A type of natural selection where an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time.

White-Coated Hares

Refers to the snowshoe hare (Lepus americanus), which changes its coat color from brown to white in the winter to blend in with snow as a camouflage against predators.

Ice Age

A period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.

Derived Trait

A trait that is present in an organism but was absent in the last common ancestor of the group, indicating an evolutionary change.