1. Components of an Ecosystem Notes
describe biotic and abiotic parts of an ecosystem
in which organisms interact
diagram the levels of organization within an ecosystem including organism, population, community, and ecosystem

2. An ecosystem is a group of living and non-living things that interact with each other.

3. All of the living things, in an ecosystem are called biotic factors.

4. Examples: plants, animals, fungi, bacteria, etc…

5. All of the nonliving things are called abiotic factors.

6. Examples: sunlight, soil, rocks, water, temperature, clouds, gases etc…

7. Ecosystems can be large (prairie) or small (puddle).
The Texas prairie

8. Scientists examine levels of the ecosystem to help them understand it as a whole. The basic levels of organization are
Organism  population  community  ecosystem

9. Levels of Organization in an Ecosystem
Organism
Population
Community
Ecosystem
Levels of Organization in an Ecosystem

10. Organism:
A living thing.

11. Population:
All of the organisms of the same type (species) that live in an area at the same time.

12. All of the organisms that live together in an area.
Community:
All of the organisms that live together in an area.

13. Ecosystem:
All of the organisms living in the same area and their nonliving environment.