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Masteriza [31]
3 years ago
8

Which of the following body systems do both roundworms and flatworms have?

Biology
2 answers:
liberstina [14]3 years ago
8 0
All roundworms and flatworms have a digestive system. 
Kobotan [32]3 years ago
5 0
They have all of the above. All living things need an endocrine, circulatory and digestive system to live. 
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