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* 2. An adaptation is any characteristic that:

* 3. Which is NOT an example of an adaptation?

* 4. Which of the following are examples of ecosystems?

* 5. Sunlight, temperature, precipitation, and moisture are all abiotic (non-living) parts of an ecosystem. Which of the following are also abiotic parts of an ecosystem? Check all that apply.

* 6. Which of the following are biotic (living) parts of an ecosystem? Check all that apply.

* 7. How is energy transformed in an ecosystem?

* 8. How big is an ecosystem?

* 9. What three functions can living organisms in an ecosystem be divided into? Check all three.

* 10. Every organism in an ecosystem relies on producers. What are producers?

* 11. Some organisms break down dead and decaying matter into simpler substances. What are these organisms called?

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