Egg Laying Is a Character Unique to Which Groups of Animals

question 144

Multiple Choice

Egg laying is a character unique to which groups of animals and their ancestors?

• A)birds
• B)mammals
• C)reptiles
• D)All of these choices are correct.

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Definitions:

Placebo

A substance or treatment with no therapeutic effect, used as a control in testing new drugs.

Impact

The effect or influence of one thing on another, often measured by the change or outcome that results.

Absolute Threshold

Absolute threshold is the minimum intensity of a stimulus that one can perceive 50% of the time, marking the boundary at which a stimulus becomes detectable to the senses.

Subliminal Threshold

The level below which a stimulus is not strong enough to be perceived or consciously noticed, yet may influence behavior or cognition.