When a Species Lives in a Constant Environment for a Long

question 33

Multiple Choice

When a species lives in a constant environment for a long time, the "average type" of individual may have the best chance of surviving and producing the most offspring. What type of selection is occurring?

• A)sexual
• B)disruptive
• C)stabilizing
• D)directional
• E)artificial

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Definitions:

Adequate Sleep

The amount of sleep required for optimal physical and mental functioning.

Nightmares

Vivid and disturbing dreams that cause emotional distress, typically occurring during REM sleep.

Sleep Stage

Phases of sleep characterized by specific brain waves and neurological activity, including REM and various stages of NREM sleep.

Sleepwalking

Sleepwalking, or somnambulism, is a sleep disorder where a person walks or performs other activities while not fully awake.