Multiple Choice
The correct order of organisms from the least complex to the most complex nervous system is:
A) flatworm, frog, squid, sea anemone.
B) sea anemone, frog, flatworm, squid.
C) sea anemone, flatworm, squid, frog.
D) frog, sea anemone, squid, flatworm.
Correct Answer:

Verified
Correct Answer:
Verified
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