Which of the following lists provides the best description of cnidarians?
a. Radial symmetry, two germ layers, and gastrovascular cavity
b. No real symmetry, two germ layers, and tentacles that capture prey
c. No real symmetry, no true tissues, and choanocytes for trapping food particles
d. Bilateral symmetry, three germ layers, and simple muscles and nerve net
e. Radial symmetry, no true tissues, and simple muscles and nerve net
Ans: a. Radial symmetry, two germ layers, and gastrovascular cavity
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