In the Study of Intertidal Communities in the U

question 105

Multiple Choice

In the study of intertidal communities in the U.S. state of Oregon, little brown barnacles (Chthamalus dalii) are first to colonize disturbed areas. Over time, the community is dominated by the acorn barnacle (Balanus glandula) . Which mechanism of succession explains the relationship between the two species of barnacles?

• A) tolerance
• B) facilitation
• C) inhibition
• D) none of the above

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Definitions:

Chimpanzee

A species of great ape native to the forests and savannahs of tropical Africa, known for its intelligence and complex social behaviors.

Confounding Variable

A variable that influences both the dependent variable and independent variable causing a spurious association.

Cause-and-effect Relationship

A connection between two events where one is the result of the other or occurring as a direct consequence.

Operational Definition

A clear, precise description of a variable in terms of the procedures used to measure or manipulate it.