Question

why do earthworms come out of the soil when it rains ​

Answer 1

Answer:

Explanation:

¶ Soil experts now think earthworms surface during rain storms for migration purposes. "It gives them an opportunity to move greater distances across the soil surface than they could do through soil," said Dr. Lowe. "They cannot do this when it is dry because of their moisture requirements."

¶ Oxygen diffuses easily through air, and the soil stays aerobic because oxygen comes in from the surface.” But after a rain, the soil pores and the worm burrows fill with water. ... “The worms can't get enough oxygen when the soil is flooded, so they come to the surface to breathe.”

¶ When the rain hits the ground it creates vibrations on the soil surface. This causes earthworms to come out of their burrows to the surface. Earthworms find it easier to travel across the surface of the soil when it is wet, as they need a moist environment to survive.

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Answer 2

Answer:

for migration purpose

they cannot do when soil is dry because of their moisture requirements

Explanation:

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