1. HELIO VEGA
LAISA TIPANTACI
JESÚS CARREÑO
4ºC

2. An ecosystem is a combination of
three
components: a place or a habitat, the
living things that live there and the
relationships between them.

3. An ecosystem's habitat is made up of
all of the non-living components, like
rocks,soil,water and air.

4. VIDEO: ECOSYSTEMS
http://www.youtube.com/watch?v=O3CZFfyed3M

5. When all of the relationships in an
ecosystem are working well, we
say
that the ecosystem is in balance.

7. The living things in an ecosystem
are
adapted to their habitat.

8. FEEDING RELATIONSHIPS
PRODUCERS: PLANTS AND
ALGAE
COMUMERS: ANIMALS
FEEDING RELATIONSHIPS
DECOMPOSERS: BACTERIA
AND FUNGI

9. HUMANS AND ECOSYSTEMS
We are using up the
planet's natural resources.
Pollution.
The extinction of living things.
Social injustice.
●
Natural resources
are all of the
things we obtain
from the Earth's
ecosystem and
use to meet our
needs.

10. GAME: ECOSYSTEMS
http://www.primaria.librosvivos.net/archivos

11. GOOD BYE!!!