A Phylogenetic Tree Is A

question 51

Multiple Choice

A phylogenetic tree is a:

• A)hypothesis about the evolutionary history of species.
• B)guess about the evolutionary history of species.
• C)factual representation of the evolutionary history of species.
• D)detailed timeline of a species' evolutionary history.
• E)None of the answer options is correct.

---

Definitions:

Deep Sleep Disorders

A category of sleep disorders that affect the ability to achieve or maintain deep, restorative sleep stages.

Sleep Terrors

Frightening, dream-like experiences that occur during the deepest stage of NREM sleep; nightmares, in contrast, occur during REM sleep.

Sleepwalking

A sleep disorder causing people to get up and walk around or perform other complex behaviors while in a state of sleep.

Nicotine

A stimulant and psychoactive compound found in tobacco products.