The First True Terrestrial Land Animals Were the Mammals

question 16

True/False

The first true terrestrial land animals were the mammals.

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Definitions:

Natural Defense Mechanisms

Psychological strategies employed unconsciously by individuals to protect themselves from anxiety or to face reality.

A Stimulator

An agent or condition that triggers or increases activity, interest, or enthusiasm in a specific context or process.

Distress

Extreme anxiety, sorrow, or pain that negatively affects an individual’s mental and physical well-being.

Stressor

The person or event that triggers the stress response.