Keystone Species

question 63

Multiple Choice

Keystone species

• A) have the most biomass in a community.
• B) are usually top predators.
• C) can affect community structure regardless of population size.
• D) are invasive predator species that eat native herbivores.

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Definitions:

Emotional Downer

A situation or event that leads to a significant decrease in positive mood or emotional state.

Informational Social Influence

The process by which individuals change their behavior to align with the group due to the belief that the group is competent and has the correct information.

Mood Linkage

The phenomenon where individuals within a group share and mirror the emotional states of each other.

Social Facilitation

The tendency for people to perform differently when in the presence of others than when alone, typically performing better on simple or practiced tasks.