Multiple Choice
Which animal phylum lacks a network of nerve cells for gathering information from the environment?
A) Porifera - sponges
B) Cnidaria - jellyfish,sea anemones
C) Platyhelminthes -- flatworms
D) Nematoda - roundworms
E) Mollusca - octopus,squid,clams,snails,and other mollusks
Correct Answer:
Verified
Correct Answer:
Verified
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