Selection Currently Maintains an Intermediate Body Size in a Population

question 8

Short Answer

Selection currently maintains an intermediate body size in a population of salmon.Bears selectively prey on the largest individuals, while smaller individuals produce fewer offspring because they have difficulty competing with the larger individuals.Suppose that the food supply increased, reducing the competition among the salmon for food.Most likely, the salmon size would decrease due to _______ selection.

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Definitions:

Equity

Refers to the ownership interest in a corporation in the form of common or preferred stock; it represents the owners' share in the company's assets.

Fairness

A subjective concept referring to equal and impartial treatment, decisions, and actions in context with ethical, societal, or personal standards and norms.

Normative Economics

An approach to economics that makes judgments about what the economy should be like or what particular policy actions should be recommended.

Behavior

The actions or reactions of an individual, group, or system in response to external or internal stimuli.