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is there any kind of worm with an open circulatory system?

need to write a paper for biology and cant find any worms with an open circulatory system

2007-01-25 16:38:54 · 1 answers · asked by Andrew G 1 in Science & Mathematics ➔ Biology

1 answers

There aren't any.
Flatworms and roundworms have no circulatory system.
Earthworms - closed.

2007-01-25 16:46:05 · answer #1 · answered by ecolink 7 · 0⤊ 0⤋

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