emilyn4ever
Answered

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Which of the following are the first organisms to have a one-way digestive system?
A. roundworms
B.flatworms
C.jellyfish
D.sponges

Sagot :

Answer:

A. round worms

Explanation:

they were the first organisms to have a one-way digestive system

brsmithkids9

Answer:

the roundworms i believe

Explanation:

hope i helped in some way

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