Across
- 3. able to produce its own food from nonliving material
- 9. the natural environment an organisms lives in
- 10. an animal that eats both plants and animals alike
- 14. species an exotic or non-native species
- 15. pyramid a graphic representation that shows the relationship between energy
- 17. an animal that eats dead plants and animals
- 18. an organism that feeds on another from a food chain
Down
- 1. a group of individuals of the same species in a specific area
- 2. levels a group of organisms that occupy the same position in a food chain
- 3. an organism that lives on or in another organism
- 4. web many interconnected food chains within an ecosystem
- 5. capacity an ecosystem's resource limit or the amount of organisms a ecosystem can support
- 6. species a species that has been introduced to a new environment due to human interaction and successfully creates a breeding population and competes with native species
- 7. a group of plants and animals interacting with on another in a particular place
- 8. an animal that eats plants
- 11. selection the natural process in which organisms with weaker adaptability are eliminated
- 12. an organism that feeds and breaks down dead plant and animal matter
- 13. an animal that eats other animals
- 16. the role an organism plays in a ecosystem
