Keystone Species

question 13

Multiple Choice

Keystone species

• A) appear to be common in terrestrial systems, but not in aquatic ones.
• B) appear to be common in both terrestrial and aquatic systems.
• C) appear to be common in aquatic systems, but not in terrestrial ones.
• D) by definition, cannot occur in aquatic systems.
• E) by definition, cannot occur in terrestrial systems.

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Definitions:

Consistent

In mathematics, particularly in systems of equations, it refers to a system that has at least one solution.

Inconsistent

A term describing systems of equations that have no solution, as their lines or planes do not intersect.

Solutions

The values or sets of values that satisfy the conditions of an equation or inequality.

Infinite Solutions

A condition in which an equation or system of equations has an unlimited number of solutions.