Parallel Evolution Occurs When

question 45

Multiple Choice

Parallel evolution occurs when

• A) unrelated species have evolved structures with similar functions
• B) closely related animals have developed similar characteristics that have evolved independently
• C) unrelated species develop similar characteristics that are dependent on one another
• D) related species have identical vestigial organs
• E) unrelated organisms develop different adaptations to similar environments

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Definitions:

Flashbulb Memories

Vivid, detailed memories of significant or emotional events, which feel as though they have been captured in a snapshot.

Emotionally Significant

Pertaining to events or experiences that have a strong affective impact on an individual, often shaping behavior and memory.

Limbic System

A complex system of nerves and networks in the brain, involved in emotions and drives such as fear, pleasure, and anger.

Serotonin

A neurotransmitter in the brain associated with mood regulation, sleep, and appetite control.