Evolutionary progress towards the formation of organ systems in cnidarians includes the development of the enteron and:
Correct answer: A. Rudimentary network of nerves
- A. Rudimentary network of nerves
- B. Symmetry
- C. Cnidocytes
- D. Cellular organization
Explanation
The development of an enteron and a rudimentary network of nerves in cnidarians is the first evolutionary step towards formation of the organ system. Hence, option A is correct
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