True or false. animals vary tremendously in structure. nevertheless, they can be categorized into a few basic body plans based on body symmetry, number of embryonic germ layers, type (or absence) of body cavity, and characteristics of embryonic development.

True

Explanation:

Animals can be categorized into 3 based on body symmetry

Animals can be categorized into 2 based on number of embryonic germ layer;

Animals can be categorized based on presence/absence of body cavity or coelom;

Animals can be categorized into 2 based on characteristics of embryonic development;

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it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.