Why Is It Challenging to Catalog the Diversity of Life

question 36

Multiple Choice

Why is it challenging to catalog the diversity of life through time?

• A) It is difficult to distinguish species based on fossils alone.
• B) The fossil record is incomplete.
• C) There are too many microorganisms to count.
• D) a and b
• E) a, b, and c

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Definitions:

Perceptual Redundancy

The presence of more sensory information than is necessary for the recognition or understanding of an object or concept.

Weber's Law

A principle in psychology that states the smallest change in a stimulus that can be detected is a constant proportion of the original stimulus's intensity.

Volley Principle

Principle addressing limitations of the frequency theory of hearing, stating that a cluster of nerve cells can fire neural impulses in rapid succession, producing a volley of impulses.

Perceptual Set

A predisposition or readiness to perceive something in a particular way.