Across
- 3. an organism that eats both plants and animals
- 4. a product that is formed as the result of a chemical reaction
- 6. something that makes their own food
- 9. the process of one ecological community gradually changing into another
- 12. a nonliving feature in an ecosystem
- 13. an organism that only eats meat
- 15. where one organism benefits and the other is unaffected
- 17. an organism that feeds on corpses of plants or animals
- 18. adjusting to new conditions
- 21. the process of how plants produce food from the sun
- 22. what is done in a habitat
- 23. a group of similar organisms consisting of similar genes
- 25. a living feature in an ecosystem
- 27. a group of different species living or growing together
- 28. a community of interacting organism and their physical environment
- 30. factor anything that restricts the size of the population
- 31. capacity the number of living organism a region can support
Down
- 1. species the first species to colonize a new or undisturbed land
- 2. the regions of the earth that organisms can live in
- 5. where both organisms benefit
- 7. all the organisms of the same species that live in the same area at the same time
- 8. where one organism benefits and the other one suffers
- 10. the natural home of an organism
- 11. a substance that takes part and undergoes change during a reaction
- 14. preying of one animal on another
- 16. the process of a body of water becoming nutrient rich
- 19. the process of forming energy in living organisms
- 20. an organism that only eats plants
- 24. a relationship between two organisms
- 26. something that eats other organisms
- 29. a large naturally occurring community of plants and animals