1. An Introduction
ECOSYSTEMS

2. Ecosystem comes from the
Greek word oikos which means
home and systema or system.

3. Ecosystems are made up of
both living and non-living
things

4. .
Parts of an ecosystem that are
living or were once living are
called biotic.

5. Parts of an
ecosystem
that are non-
living are
called abiotic.

6. An ecosystem
is the
interaction
between these
living (biotic)
and non-living
(abiotic)
factors.

7. There are ecosystems
everywhere…big and small

8. Biotic? Abiotic?

9. Biotic? Abiotic?

10. Biotic? Abiotic?