2. What is an ecosystem?
An ecosystem is a combination of three components:
a place or a habitat ,the living things that live there
and the relationships between them.
The place or habitat:An ecosystem's habitat is
made up of all of the non-living components.
Components
Living things:the living things in a ecosystem are
adapted to their habitat.
Relationships:Everything is connected in an ecosystem. Living
things depend on each other and characteristics of their
habitat.
5. VIDEO: WHAT IS AN
ECOSYSTEM?
http://www.youtube.com/watch?v=gVPbGaurcvI
6. FEEDING RELATIONSHIPS
Producres:plants and algae ,in aquatic
ecosystem
,are producers.
FEEDING
RELATIONSHIPS
Consumers:consumers feed on other
living things in an ecosystem.
Decomposers:Fungi and microscopic
organisms
called bacteria are decomposers.
7. HUMANS AND ECOSYSTEM.
Natur l resources are all of the things we obtain from the Earth´s
a
ecosystem
l
and use to meet our needs.
