Which of the following statements is true?
A) Cnidarians have no true tissues and are filter feeders, while flatworms have true tissues and a gastrovascular cavity.
B) Nematodes have no true tissues and are filter feeders, while chordates have true tissues and a gastrovascular cavity.
C) Molluscs have no true tissues and are filter feeders, while cnidarians have true tissues and a gastrovascular cavity.
D) Sponges have no true tissues and are filter feeders, while cnidarians have true tissues and a gastrovascular cavity.
Correct Answer:
Verified
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