Compared with sponges, cnidarians have a wider array of cell types permitting more sophisticated tissue functions. These functions include:
A) secretion of digestive enzymes.
B) muscle contraction/movement.
C) the ability to sense the environment via a network of nerve cells.
D) the ability to communicate within the organism using hormones.
E) None of the answer options is correct.
Correct Answer:
Verified
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