Across
- 2. Two of more members of the same specie
- 4. Ecosystems having to do with water
- 5. First level of the food chain
- 6. ______ factors, living things in one area
- 8. made up of biotic and abiotic factors
- 14. A predator and it's prey
- 15. Non-native species that spreads excessively
- 16. Made up of all populations in one area
- 17. Without this species it would all crumble
- 18. Relationship between different species
- 20. "nursery of the sea" where rivers meet oceans
Down
- 1. Symbiotic relationship - The ant and the acacia
- 3. Ecosystems having to do with land
- 7. Symbiotic relationship -doesn't harm or help
- 9. Eats to get it's energy
- 10. Level in a food chain represents a _____ level
- 11. ______ factors, non-living things in one area
- 12. Breaks down dead organisms
- 13. Study of "house/environment" in which we live
- 19. Makes it's own food