lehanakayleaha lehanakayleaha

15-04-2016
Biology

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All of the following have only one opening into their digestive system except:
a. corals
b. jellyfish
c. roundworms
d. sea anemones

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WorldlyGlass49 WorldlyGlass49

22-04-2016

All of the following (corals, jellyfish, and sea anemones) have only one opening into their digestive system, except roundworms, which have more than one.

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