Question

meaning of casting by earthworms in biology

Answer 1

Earthworms are hermaphrodites,meaning that they exhibit both male and female characteristics. They are major decomposers of dead and decomposing organic matter, and derive their nutrition from the bacteria and fungi that grow upon these materials.

Answer 2

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'Casting by worms' Also know as vermicasts.

worms casting are an organic forms of fertilizer, produced from earth worms....

Meaning of casting = An object made by pouring molten metal into mould.