Across
- 3. A group of organisms that can breed and produce offspring
- 9. Network of food chains within an ecosystem
- 11. Non-living things
- 12. eats only plants
- 14. eats plants and animals
- 15. Organisms that break down dead organic matter
- 17. One organism is the "hunter" and the other is the "hunted"
- 18. Shows energy flow through a single pathway
Down
- 1. Represents the amount of living matter
- 2. Living factors that influence an ecosystem
- 4. First trophic level; these are autotrophic organisms; can make their own food
- 5. Shows the amount of energy flow between trophic levels
- 6. Receives energy from consuming other organisms
- 7. eats only meat
- 8. The study of interactions between organisms
- 10. Process by which water changes from a liquid to a gas
- 13. The ability to do work
- 16. The main source of energy for life on earth