The Insect Wing Is Thought to Have First Evolved Because

question 38

Multiple Choice

The insect wing is thought to have first evolved because it provided the benefit of thermoregulation.Only later,when wings became large,did it also come to provide the important benefit of flight.This is an example of

• A)exaptation.
• B)phenotypic shift.
• C)an allele.
• D)meiotic division.

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Definitions:

Rhythmic Brain-Wave

Oscillations in electrical activity within the brain that are part of its normal functioning, often associated with different states of consciousness.

REM Sleep

The sleep stage associated with vivid dreaming, marked by rapid movements of the eyes, and considered important for emotional regulation and memory.

Sleep Spindles

Bursts of brain activity visible on an EEG that occur during stage 2 of sleep. They are believed to play a role in sensory processing and long-term memory consolidation.

Narcolepsy

A chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep.