Fatter Sociable Weaver Birds Spend More Time Foraging Where They

question 20

Multiple Choice

Fatter sociable weaver birds spend more time foraging where they are vulnerable to predation,are more attractive to predators,and are less likely to escape an attack.Conversely,thin birds risk starvation.Therefore,sociable weaver of an intermediate weight have a selective advantage.This is an example of ____ selection.

• A)frequent
• B)directional
• C)disruptive
• D)stabilizing
• E)mutational

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Definitions:

Beta Waves

A brainwave pattern, typically associated with active, alert cognition and wakefulness.

Delta Waves

Slow brain waves typically associated with deep sleep and important in the consolidation of memory.

Slow-Wave Sleep

A deep sleep stage characterized by low-frequency, high-amplitude brain waves, essential for physical restoration and memory consolidation.

Delta Waves

Slow brainwaves predominantly seen in deep sleep that are associated with healing, dreaming, and detached awareness.