Unit 9: Energy and Matter

10. consumer An animal that eats other consumers near the top of a food chain.
11. A living thing that makes its own food.
12. A nutrient that gives living things energy.
15. An animal that eats both plants and animals.
16. When water vapor cools and turns into liquid water.
17. dioxide A gas in the air used by plants during photosynthesis.
19. The release of water vapor from plant leaves.
20. When liquid water changes into water vapor.
21. respiration The process cells use to turn food into energy.

1. The process plants use to make food using sunlight, water, and carbon dioxide.
2. The process where bacteria change nitrogen into a form plants can use.
3. An organism that makes its own food, like a plant.
4. Tiny plant-like organisms that live in water.
5. The part of a plant cell where photosynthesis happens.
6. The part of a cell that releases energy from food.
7. An organism that gets food by eating other organisms.
8. An organism that breaks down dead plants and animals.
9. An organism that eats dead plant and animal material.
13. An animal that eats meat.
14. A living thing that eats other organisms for energy.
18. A simple sugar that cells use for energy.