If You Wanted to Understand the Evolution of Tetrapods, Why

question 239

Essay

If you wanted to understand the evolution of tetrapods, why would it be valuable to examine traits in perch? Use the terms "ingroup" and "outgroup" in your explanation.

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Definitions:

Zajonc's Drive

A theory proposing that the mere presence of others enhances individual performance on simple or well-learned tasks but hinders performance on complex or new tasks.

Triplett

Refers to Norman Triplett's early social psychology experiment that identified the phenomenon of social facilitation, where the presence of others enhances performance on simple tasks.

Synergy

The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects.

Mere-Effort Model

A theory suggesting that the mere effort of trying to achieve something can enhance the motivational value of the goal.