Animals

question 53

Multiple Choice

Animals:

• A)experience global brain deactivation during sleep and do not dream.
• B)experience sleep cycles in which REM sleep alternates with slow-wave NREM sleep.
• C)only experience NREM sleep.
• D)only experience REM sleep during mating season.

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Definitions:

Diffuses

The process by which molecules move from an area of higher concentration to an area of lower concentration.

Viscous

A physical property describing a fluid's resistance to flow, with higher viscosity indicating a thicker and slower-moving fluid.

Dermal Gills

Respiratory structures in some aquatic animals that allow for gas exchange directly through the skin.

Book Lungs

Respiratory organs in certain arachnids, such as spiders and scorpions, consisting of stacked plates for gas exchange.