diversity-of-life

Question: Pheretima posthuma is highly useful as

1) Their burrows make the soil loose

2) They make the soil porous, leave their castings and take organic debris in the soil

3) They are used as fish meal

4) They kill the birds due to biomagnification of chlorinated hydrocarbons.

Solution:

Explanation: No Explanation

Animalia Phylum-Annelida

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