Chemistry, 07.01.2021 21:50 antcobra

Which kind of worm has a closed circulatory system? a planarian
a fluke
a pinworm
an earthworm

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Which kind of worm has a closed circulatory system? a planarian
a fluke
a pinworm
...

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Which kind of worm has a closed circulatory system? a planarian a fluke a pinworm an earthworm

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Another question on Chemistry

Which kind of worm has a closed circulatory system? a planarian
a fluke
a pinworm
an earthworm