Answer:
Decomposition
Explanation:
Decomposers include bacteria and fungi. These organisms carry out the process of decomposition, which all living organisms undergo after death. Decomposition is an important process because it allows organic material to be recycled in an ecosystem.
Fungi
Plantae
Animalia
Explanation: I just looked it up. I used alevelbiology.co.uk which is very reliable, so this should be correct.
Substrate
It is the countries that are in green. The US, Australia, and China.
