Levels of Ecological Organization

What is the first level of ecological organization?

• Population

• Organism

• Ecosystem

• Biome

Which level of ecological organization includes multiple populations interacting?

• Organism

• Community

• Biome

• Biosphere

At which level of ecological organization do symbiotic relationships exist?

• Population

• Community

• Ecosystem

• Biosphere

What is the largest level of ecological organization depicted in the diagram?

• Biome

• Ecosystem

• Biosphere

• Community

Select all the levels of ecological organization that include fish.

Select the points that represent aquatic life forms in the image.