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OpenStudy (anonymous):
Most arthropods and some mollusks and tunicates have _____ circulatory systems, which means fluid transporting nutrients and oxygen flow directly into internal organs. a. closed b. nonexistent c. open
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OpenStudy (anonymous):
open
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
I'm so happy to help you...:) Please tag me in if you need any help! :)
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