Question

what are the organisms living in the soil called ? how do they help to improve the fertility of the soil

Answer 1

The organisms present in soil are called microbes including Bacteria , fungi , protozoa , algae etc but earthworms are not microbes.
Microbes and earthworms improve the fertility of soil by converting dead plants and dead animals into humus that is why fertility of soil increases.

Hope this may be helpful to u....frndd

Answer 2

Answer:

there are many organisms live in the soil are fungi, algae and microbes and earthworms but earthworms are not microbes. the earthworms and microbes are help in soil fertilization by converting the dead plants