Across
- 2. The chemical energy produced by organisms during cellular respiration.
- 5. A community of living and nonliving things that interact with each other.
- 7. ________ species are animals or plants that are not native to an ecosystem.
- 9. The instructions on how to make a living organism.
- 10. These consumers are at the top of a food chain/web.
- 12. A relationship where both species benefit.
- 13. Only a small part of the DNA that's being used.
Down
- 1. A tightly wound form of DNA.
- 3. The process that producers use to make energy.
- 4. These types of animals prefer to spend most of their lives alone.
- 6. A ______ factor is a living thing that can affect population sizes.
- 8. The energy storage macromolecule of the body.
- 11. A sugar that is an organism's main source of energy from food.