Across
- 2. all organisms interacting with environment
- 4. cannot make their own food
- 9. largest population size an environment can support
- 11. organisms role in ecosystem
- 12. sum of all different species and habitats make up the earth
- 13. one organism benefits, other unaffected
- 14. makes their own food
- 16. study of _____
- 19. living
- 20. gradual change in communities after a disturbance
Down
- 1. break down dead organisms
- 3. shows amount of energy in each level of food chain
- 5. factor causing growth of population to decrease
- 6. group of similar organisms
- 7. one organism benefits, other harmed
- 8. relationship between 2 species
- 10. both organisms benefit
- 15. all members of one species on an area
- 17. non living
- 18. all living organisms interacting with each other