In general, less complex animals are:

A. more likely to rely on specialized mouth parts for digestion.

B. more likely to perform extracellular digestion than intracellular digestion.

C. more likely to have a gastrovascular cavity than to have a digestive tract.

D. more likely to have two body openings than to have one body opening.

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19 January, 00:31

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Harley Baldwin · Answer 1

C. more likely to have a gastrovascular cavity