Which Statement Is Most Consistent with the Hypothesis That the Cambrian

question 55

Multiple Choice

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?

• A)increased incidence of worm burrows in the fossil record
• B)increased incidence of larger animals in the fossil record
• C)increased incidence of organic material in the fossil record
• D)increased incidence of hard body parts in the fossil record

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Definitions:

Extracellular

Pertaining to being outside the cell membrane.

Plasma Membrane

A biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.

Permeable

A characteristic of materials that are able to allow liquids or gases to pass through them, especially through pores or interstices.

Gray Matter

The darker-colored area of the central nervous system; abundant in nerve cell bodies, dendrites, and axon terminals, associated with processing and cognition.