Answer:
They carry energy
Explanation:
Because energy is carried by changes in matter
The correct terms to fill in the blanks are gastric cavity and extracellular. In cnidarians, the mouth of both the medusa and polyp form opens into an internal gastric cavity where extracellular digestion takes place. The polyp and medusa are body forms that can be found in the phylum Cnidaria. The polyp is a nonmotile body form while the medusa is a free swimming body form.
C. because if you
go deep in water its freezing cold and its has a high salt content
I believe c if not i’m sorry
Answer:
Eating
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