Across
- 3. safe amount of a chemical that a person ingests
- 6. worldwide outbreak of a disease
- 9. plants' process to create glucose and oxygen
- 12. measure of harmfulness/toxic of something
- 14. recycling organic matter
- 16. converts waste into new materials
- 19. burns waste to reduce mass
- 22. only eats plants
- 23. series of wide flat steps on slopes
- 24. eats plants or animals
Down
- 1. non-living
- 2. regional outbreak of a disease
- 4. biotic and abiotic components in a habitat
- 5. turns organic matter into inorganic compound
- 7. nonorganic material that resides from incineration
- 8. moving energy
- 9. stored energy
- 10. many different species in one area
- 11. all portions on earth where life exists
- 13. many of the same species
- 15. a living thing
- 17. a species' role in its environment
- 18. can be replenished
- 20. preys on other animals
- 21. living or once-living