Across
- 2. it is in green plant cells. The place in the plant where photosynthesis takes place.
- 3. a plant, animal or single-celled life form.
- 5. a fundamental item that can be broken down into smaller pieces.
- 8. process where some plants and organisms use oxygen and glucose to produce water, energy, and carbon dioxide.
- 12. a mammal, bird, reptile, or fish.
- 13. a liquid needed for photosynthesis. Is produced by cellular respiration. Is needed to keep humans and organisms alive.
- 15. process where plants and some organisms use water, sunlight, and carbon dioxide to produce oxygen and glucose.
- 16. a white insoluble solid occurring naturally, and forming mollusk shells and stony corals.
- 18. eats both primary and secondary consumers.
- 23. a table of elements organized in order of the atomic number.
- 24. an organism that uses photosynthesis, and chlorophyll makes it green.
- 25. an organism that produces its own food through photosynthesis.
- 26. the place in the organism where cellular respiration happens.
Down
- 1. a sugar that is produced from photosynthesis. The sugar is required for cellular respiration. Is needed for many organisms.
- 4. gasses that trap heat in the atmosphere.
- 6. eats producers only.
- 7. gases surrounding the earth or another planet.
- 9. the chemical produced by photosynthesis. Needed for cellular respiration. Keeps human and organisms alive.
- 10. outlines who eats who in an ecosystem.
- 11. a natural fuel formed by the past remains of living organisms.
- 14. a community of interacting organisms and their physical environment.
- 17. smallest unit of matter.
- 19. form of energy used for photosynthesis.
- 20. eats both producers and primary consumers.
- 21. a group of atoms bonded together.
- 22. a gas produced by cellular respiration. Is required for photosynthesis. Is produced when human breathe out.