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

---

Definitions:

Sleep Deprivation

A condition resulting from insufficient sleep, which can impair cognitive function, mood, and overall health.

Staying Asleep

The ability to maintain sleep throughout the night without frequent awakenings, crucial for restorative sleep and overall health.

Narcolepsy

A persistent sleeping condition identified by extreme daytime lethargy and unexpected onset of sleep.

Insomnia

A sleep disorder characterized by difficulty falling and/or staying asleep.