1. Aim: How are ecosystems organized?
Scientists need an organized way to describe different levels of living things in an ecosystem.

2. At the lowest level Level 1. Organism For Example 1 moose
An individual living thing that is made of cells, uses energy, reproduces, responds, grows, and develops
For Example
1 moose

3. Level 2: Population
a group of organisms, all of the same species, which interbreed and live in the same area at the same time; competition occurs
For example
- All the moose in this location

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Level 3: Community
All the populations of different species that live in the same place at the same time.
Note: not including water, air, oxygen
For example:
All the moose interacting with all the wolves, rabbits, owls, hawks, etc.
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5. Level 4: Ecosystem
All the different populations interacting with the non-living factors.
For example:
All the moose ,wolves, rabbits, owls, hawks, etc. interacting with the water, soil, air, etc.

6. Level 5: Biome A large region of land with similar climate.
For example
Rainforest biome
Desert biome
Tundra biome

7. Levels of Organization Illustration

8. Levels of Organization Illustration

9. Practice with Identifying the level of organization
Which level of organization is shown by the diagram?

10. Practice with Identifying the level of organization
Which level of organization is shown by the diagram?

11. Practice with Identifying the level of organization
Which level of organization is shown by the diagram if you take away the water, soil, air?

12. This worksheet is due tomorrow!!
Go to the “Video Archives” of my website. Click on the “Levels of Organization” video clip and watch it. Use both this powerpoint and the video clip to help you complete “Levels of Organization” worksheet.
This worksheet is due tomorrow!!