Which Is NOT Necessarily True of a Keystone Species

question 43

Multiple Choice

Which is NOT necessarily true of a keystone species?

• A) Its loss would decrease the population of other species.
• B) Its removal negatively impacts the community.
• C) Its loss would harm the ecosystem.
• D) It is the most abundant species in the community.
• E) Its biomass may not be great in the community.

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Definitions:

Primacy Effect

A cognitive bias that results in the enhanced recall of items or information presented at the beginning of a list or sequence.

Recency Effect

The tendency to remember the most recently presented information best when recalling a list of items.

Short-term Memory

A type of memory that holds a small amount of information in an active, readily available state for a short period of time.

Commons Dilemma

A situation in which individuals' short-term selfish interests are in conflict with long-term group interests and common good.