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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

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

asked
User Ozkan Serttas
by
8.4k points

1 Answer

7 votes

Answer:

A. round worms

Step-by-step explanation:

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

answered
User Eka Putra
by
8.0k points
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