Of All the Species That Have Ever Existed, How Many

question 64

Multiple Choice

Of all the species that have ever existed, how many are now extinct?

• A)<5%
• B)21.2%
• C)58.8%
• D)75%
• E)99.9%

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Definitions:

Nonnourishing Cloth Mother

An experimental model used in psychology to demonstrate the importance of caregiving and attachment beyond just the provision of food.

Infant Monkeys

Young primates of the monkey family, often studied to understand developmental psychology, attachment, and social behaviors.

Autism Spectrum Disorder

A syndrome characterized by significant social interaction and communication issues, along with narrow and repetitive behaviors and thoughts.

Mirroring Others' Actions

The subconscious imitation of the gestures, speech patterns, or attitudes of another person, often as a social bonding mechanism.