Animal KingdomHard
Question
Pheretima posthuma is highly useful as
Options
A.their burrows make the soil loose
B.they make the soli porous, leave their castiongs and tke organic debris in the soil
C.they are used as fish meal
D.they kill the birds due to biomagnification of chlorinated hydrocarbons
Solution
Pheretima posthuma is useful for farmers as they enrich the soil by their excretory wastes and make the soil porous.
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