A) the earthworm does not have any bones
B) the body of earthworm is made up of many rings joined end to end
C) the earthworm move by alternate extension and contraction of body using muscles
D) None of these
Correct Answer: D
Solution :
The earthworm, actually, eats its way through the soil. The body then throws the undigested part of the material that it eats. In this way, the earthworm makes the soil more useful for plants.
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