Why is the earthworm called the friend of the farmer?

  • A
    They help in pollination of crops.
  • B
    They make the soil porous and increase its fertility.
  • C
    They kill harmful pests in the soil.
  • D
    They provide nitrogen directly to the plant roots.

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Similar Questions

Which structure in $Pheretima\ \ posthuma$ functions similarly to the liver of vertebrates?

Definitions / Explanation:
$(i)$ Exonephric
$(ii)$ Enteronephric

Which of the following cells in an Earthworm are responsible for excreting silicates consumed along with food?

Earthworms move with the help of which of the following?

Fertilization in earthworm is

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