It´s a biotope, the organisms
that live in it (biocenosis) and the relationships.

It´s the place and its physical conditions in an ecosystem.

It´s the organism that live in an ecosystem.

They are organisms, such as algae or plants, that can produce their own food.

They are organisms that eat producers.

They are organisms that eat primary consumers.

They are organisms that eat primary and secondary consumers.

They are organisms that obtain their nutrients by descomposing dead organism. They are bacteria and fungi.

It contains several living beings, each living being is a link in the chain that feeds on the following one.

It´s different food chains interconnected.

It´s an interaction among parents and descendants.

It´s an interaction among one parent and lots of descendants.

It´s an interaction among lots individuals of different families.

It´s an interaction among a predator and its prey.

It´s an interaction among two different species in which one of them suffer a damage.

It´s an intimate association among two different species, it´s a cooperative relationship.

It´s a cooperative relationship among two different species that don´t live in intimate association.

It´s formed by all the species that inhabit an ecosystem and which share the same food resources. They can be: producers, consumers and descomposers.

It´s used to represent who eats what within a biological community: food chain and food web.

All the interactions among individuals same species.

All the interactions among individuals of different species.