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3 votes
Both invertebrates and vertebrates, with the exception of the _____, have a nervous system. lancelet reptile mollusk sponge

2 Answers

2 votes
The answer is sponge
User SAI SANTOSH CHIRAG
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8.4k points
5 votes
It is the Sponge, the answer was basically in the question
User Misha Zaslavsky
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