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Guido Guido
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Posts: 1346
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7 years ago
A closed circulatory system is characteristic of
A) flatworms.
B) annelids.
C) cnidarians.
D) sponges.
E) comb jellies.
Textbook 
Biology: Life on Earth

Biology: Life on Earth


Edition: 10th
Authors:
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CellarCellar
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Posts: 1283
7 years ago
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Guido Author
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7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Thanks
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2 hours ago
This site is awesome
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