Across
- 1. a place or a habitat for living things.
- 3. a living thing in an ecosystem.
- 4. living things in an ecosystem.
- 7. absorb sunlight for photosynthesis.
- 10. control all cell activities.
- 11. move from place to place.
- 15. thin layer controls what comes in and out.
- 16. exchanging gases with environment.
- 18. reacted to changes around them.
- 19. become larger in sizes.
- 20. non living factors in an ecosystem
- 21. of living things of same species
Down
- 2. holds all parts of the cell.
- 5. basic unit of life.
- 6. store food,water of a cell.
- 8. group of animals eat only other animals.
- 9. group of animals eat both plants and animals.
- 12. taking food from to gain energy.
- 13. group of animals eat only plants.
- 14. things can make more of their kind.
- 17. removal of waste from the body.