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Nuetrik [128]
2 years ago
6

In earthworms, what do the nerve cord, the setae, the circular muscles, and the metanephridia have in common?.

Biology
1 answer:
Ratling [72]2 years ago
8 0

They are serially repeated in the segments of the body. has programmed cell death and therefore is useful in cancer and AIDS research.

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effector

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