Keystone Species That Are Predators in a Food Web Can

question 45

Multiple Choice

Keystone species that are predators in a food web can increase species diversity by

• A) increasing the biomass of primary producers.
• B) removing competitive dominants.
• C) creating an intermediate disturbance.
• D) increasing production efficiency.

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Definitions:

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Pertaining to a method of research that involves the manipulation of one or more variables to determine their effect on a certain outcome.

Neurotic

Referring to an individual's tendency towards anxiety, depression, or other emotional instability, often as a personality trait.

Theory

An explanation for how and why variables are related to each other.

Hypotheses

Propositions or assumptions made for the sake of argument or investigation, to be tested through research.