Name one animal which is a rich source of minerals to plants.

Answer 1

Lamb is containing much mineral than any other Animals.

For more details, you can go through the Vitamins and Minerals Chart:

http://nourishedkitchen.com/best-sources-vitamins-minerals/

Answer 2

Earthworm. It is a friend for plants. It lives in soil. Eat soil deep from the earth's surface which is comparatively rich in minerals and excreate on the earth's surface. The plants get nutrion from these excreations and get minerals.