Which of them are the role of organisms in the environment?

Decomposers are fungi and bacteria

The 3 types of ecosystems are:

Aquatic ecosystem are living organisms develop and interact in water, such as oceans, lakes or rivers.

Consumers are 

Living organisms develop and interact in areas where water meets land, like on the coast and wetlands

What is abiotic factor?

Which are the 2 fundamental components of the ecosystem?

The biotic factor is...

Producers  are all plants that serve as food for other animals...

Which are the organization of living things? 

The ecosystem refers to a community of living things and their environment and all the interactions that occur between them. 

This is a set of living things of the same species that live in the same area at the same time. 

Community they live in the same area at the same time.