Across
- 2. distance between two identical points on a wave
- 4. hunts other animals
- 8. height of the wave
- 9. eats plants and animals
- 10. carnivore that eats herbivores
- 13. a group of organisms that can reproduce together
- 16. eats animals
- 19. the variety of living organisms in an ecosystem
- 21. number of waves per second
- 23. a community of organisms and their environment
- 24. the bottom of a wave
- 25. collecting data to estimate populations
- 27. an animal that is hunted
- 28. a disturbance that transfers energy
Down
- 1. herbivore that eats producers
- 3. when no individuals of a species remain
- 5. sugar made by photosynthesis
- 6. all the members of one species in an area
- 7. an organism that eats other organisms
- 11. gas used in photosynthesis
- 12. protecting species and habitats
- 14. the process plants use to make glucose
- 15. the place where an organism lives
- 17. a plant or alga that makes its own food
- 18. eats plants
- 20. carried by a wave
- 22. gas released during photosynthesi
- 26. the top of a wave