**Interdependence of organisms **

From these learning statements are three assessments that can be used as assessments, to check understanding or as a homework.

Explain how organisms are interdependent within ecosystems.
Describe relationships such as predator–prey, competition and symbiosis.
Construct and interpret food chains and food webs.
Explain how energy flows through ecosystems.
Predict how changes to one population affect others.

Answers are at the end of each assessment.