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Author Question: The central nervous system is lacking in animals that have A) a complete gut. B) (Read 739 times)

Millan

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  • Posts: 368
on: Oct 16, 2013
The central nervous system is lacking in animals that have
A) a complete gut.
B) bilateral symmetry.
C) radial symmetry.
D) a closed circulatory system.
E) excitable membranes.


Celeste

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  • Posts: 588
Reply #1 on: Jul 27, 2019
B


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