For Which Species Does REM Sleep Compose the Largest Percentage

question 52

Multiple Choice

For which species does REM sleep compose the largest percentage of total sleep?

• A) species that get a great deal of sleep
• B) species that sleep very little
• C) humans, dolphins, and others with a large brain
• D) the aged members of any species

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Systematically collected information about populations, usually including demographic, economic, and social data, gathered through a census.

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Data collected, analyzed, and published by governmental agencies to provide quantitative or factual information on the economic, demographic, and social conditions.

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Official documents that record incidents and suspected crimes reported to law enforcement agencies.

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The process of conducting systematic studies aimed at understanding or explaining the patterns, behaviors, and structures of human society, using various methods of empirical investigation and critical analysis.