Nutritional System in Nature — Social Science STD 10 — Question

The characteristic of earthworms excreta Is as follows:
(1) Earthworm's excreta contains significantly more nutrients than the surrounding soil. These minerals play an important role in growth of vegetation.
(2) This excreta of earthworm contains highly used antibodies that boost the immunity of the plant roots as well as the beneficial micro- organisms near the roots. This creates a suitable strong soil.
(3) The plants and trees growing in it will also be healthy and the animals, birds and human who eat it will be healthy.