The correct answer is: an interaction between the biosphere and the geosphere.
The geosphere represents all of the rocks, minerals and ground that are found on and in Earth. It includes the ocean floor, all of the rocks on the surface, and all of the sand in the deserts.
Biosphere on the other hand is composed of all the living organisms on Earth (including human).
Food web stability is most dependent on the number of connections among species.
Answer:
The answer would be A. Earthworms burrowing in the ground
The human first appear in geological time 6million years ago in the Miocene epoch. The modern humane evolve just 200,000 years ago
They are decomposers that eat the dead or decaying matter in the ecosystem.