Across
- 2. a amount of people in a area
- 4. an animal that feeds on dead organic material
- 7. describes an area of land that contains a common set of streams and rivers
- 8. one organisms that kills and eats the other
- 9. any living thing
- 11. an organism that helps define an entire ecosystem
- 17. the average population size in a habitat
- 21. a body of water where rivers and streams mixes with salt water in the ocean
- 22. a community of many plants and animals
- 24. deals with the relation of organisms to one another
- 26. A biome in the arctic
- 27. A way an organism lives
- 28. This is a very dry biome
- 30. a open water area where light barely shows
- 31. an organism that can produce its own food
- 34. a living organism that shapes its environment.
- 35. A specific physical region or amino acid sequence in a protein
- 36. organisms that occupy the same or similar ecological niches
Down
- 1. species that require very unique resources
- 3. capable of being decomposed by bacteria or other living organisms.
- 5. This biome is mainly in North America
- 6. A process by which microbes create food using released from chemical reaction
- 10. a principal taxonomic category that ranks above species
- 12. Or moving abroad
- 13. A place where organisms live
- 14. a group of microorganisms that are similar
- 15. a zone that is the deepest layer of ocean closest to the sea floor
- 16. a close prolonged association between two or more different species
- 18. A group of various species in a shared location
- 19. is composed of rapidly growing large brown algae.
- 20. interdependent food chains
- 23. Another name for microalgae
- 25. the study of living organisms
- 29. includes the waters and biological communities living in the water column
- 32. is made up of the parts of Earth where life exists
- 33. is a relationship between two animals that benefit from each other without being harmed.