Which Trophic Level Is Most Vulnerable to Extinction

question 31

Multiple Choice

Which trophic level is most vulnerable to extinction?

• A) milkweed plants
• B) monarch caterpillars that eat milkweed plants
• C) goldfinches that eat monarch caterpillars
• D) golden eagles that eat goldfinches
• E) inky cap fungus that breaks down plant material

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Definitions:

Intrinsic Motivation

The drive to engage in activities for their inherent satisfaction rather than for some separable consequence.

Optimal Level of Arousal

A theory suggesting that individuals have a preferred level of stimulation or arousal that they seek to maintain by increasing or decreasing stimulation.

Classical Conditioning

An educational method that happens by linking an external stimulus with a stimulus that occurs naturally.

Self-Regulation

The ability to understand and manage your behavior and reactions to feelings and things happening around you.