Unit 4 Ecosystems

Which are the parts of an ecosystem?

• living being and physical environment

• living beings

• physical environment

• living beings, physical environment and its relationships

Food chains are made up of:

• producer, primary consumer and secondary consumer

• producer

• primary consumer and secondary consumer

• producer and primary consumer

The first living being on a food chain is the

The primary consumer is usually a:

• carnivore

• herbivore

• plant

• tree

The secondary consumer is usually:

• carnivore

• herbivore

• a plant

• a tree

Draw a food chain

A relationship in which both animals are benefitted is:

• mutualism

• parasitism

• competition

• commensalism

Write an example of mutualism

A relationship in which one animal is benefitted and the other one is hurt is:

• parasitism

• competition

• mutualism

• commensalism

Write an example of parasitism