ecosystems, lesson 1
Post on 31-Oct-2014
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An Introduction
ECOSYSTEMS
Ecosystem comes from the Greek word oikos which means home and systema or
system.
Ecosystems are made up of both living and non-living things
.Parts of an ecosystem that are living or were once living are called biotic.
Parts of an ecosystem that are non-living are called abiotic.
An ecosystem is the interaction between these living (biotic) and non-living (abiotic) factors.
There are ecosystems everywhere…big and small
Biotic? Abiotic?
Biotic? Abiotic?
Biotic? Abiotic?
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