Natural resources
Across
- 2. This is the study of the environment
- 6. the amount of one species in an area
- 9. when new landforms
- 11. web a web that shows which organism eats what
- 13. biological community formed where no life was formed
- 16. organisms choosing who is the superior organism out of all
- 18. an organism that gives off nutrients for other organisms to feed off of
Down
- 1. variety of species in the world
- 3. when two organisms work together but only one benefits
- 4. when one organism benefits from the other and the other one gets hurt
- 5. the different regions of surface that organisms live on
- 7. when two organisms use each other to both benefit
- 8. living organisms
- 10. a group of species that are commonly found together
- 12. the organism that feeds off of the producer
- 14. a key used to figure out and sort which animal is which
- 15. a community of organisms that live in the same environment
- 17. non-living organisms