A Polytypic Species

question 49

Multiple Choice

A polytypic species

• A)is one that has no phenotypic variability.
• B)has never been observed in nature.
• C)is one composed of local populations that differ from one another with regard to the expression of NO MORE THAN three traits.
• D)is one composed of local populations that differ from one another with regard to the expression of ONE OR MORE traits.
• E)is the result of inbreeding.

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Definitions:

Maturing Early

The phenomenon where an individual reaches physical and sexual maturity sooner than the average for their age group.

Myelin

A fatty substance that surrounds and insulates the axons of many neurons, enhancing the speed of electrical transmission between neurons.

Visual-Spatial Skills

Abilities that allow an individual to process and interpret visual information about where objects are in space.

Frontal Lobes

The frontal lobes are regions of the brain that are critical for voluntary movement, speech, and complex cognitive behaviors such as planning, decision-making, and moderating social behavior.