1- Ecosystems

An ecosystem is a community of living and nonliving things that interact with each other in a particular environement.

It includes all of the plants, animals and other living things in an area, as well as the nonliving things such as air, water, sunlight and soil.

The main types of ecosystems on our planet include marine ecosystems, grasslands, tropical rainforests, deserts, tundra and temperate forests. 

    

2- What makes up an ecosystem?
Ecosystems include a particular physical environment, as well as the living organisms that inhabit it, and the interaction between them. 

Many ecosystems can share certain characteristics with others around the world, but each is a unique one.

2.1.Habitat

A habitat is a place where an organism lives. 

2.2.Population

Organisms of the same species living in an ecosystem are called a population.

2.3.Community.

Different populations interacting with each other in a habitat form a community.