Animals with Rigid Skeletons Appeared Abruptly in the Fossil Record

question 49

True/False

Animals with rigid skeletons appeared abruptly in the fossil record at the beginning of the Paleozoic.

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Definitions:

Mirror-Image Photographs

Photographs that are reversed images of the original, resembling how one would look in a mirror.

Mere Exposure Effect

The phenomenon that repeated exposure to novel stimuli increases liking of them.

Self-Disclosure

The act of revealing intimate aspects of ourselves to others.

Bystander Effect

A psychological phenomenon where individuals are less likely to offer help to a victim when other people are present.