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Animals with no circulatory system have...?
choose one-
a. a more complex digestive tract
b. a less complex digestive tract
c. require more nutrients
d. require less nutrients
1 Answer
Relevance
- Anonymous9 years agoFavourite answer
I think its B because they have a less complex structure as they can transport things by diffusion .: not need a circulatory like us.
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