Across
- 1. Tiger & Wolf & Lion
- 4. Fuels the food chain
- 9. Rich mix of grasses & forbs; fertile soil
- 11. Same species; same area; same time; same resources
- 14. A place where living & non-living things are
- 15. eats organisms that have died
- 16. Living
- 17. Consumer at the top of the energy pyramid
- 19. Treeless or marshy plain
- 20. genetic variation within populations and ecosystems
Down
- 2. Breaks down dead organisms for food
- 3. Only eats consumers
- 5. Makes their own food
- 6. Non-living
- 7. Eats other organisms
- 8. Interacting populations; certain area; certain time
- 10. No rain
- 12. Only eats producers
- 13. Study the interactions between organisms & environment
- 18. Eats both producers & consumers