4th Quarter Summery

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