4th Quarter Terms

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Across
  1. 3. - An organism that helps define an entire ecosystem
  2. 5. - A common feeding behavior of natural organisms where one species feeds on another for its survival
  3. 9. - An organism that feeds on dead organic material
  4. 10. - Describes the role an organism plays in a community, such as what they eat, where and how they live, and their interactions with other organisms
  5. 12. - All the different kinds of life in one area
  6. 15. - underwater ecosystems formed by the dense growth of several different species of large algae
  7. 18. - Animals that have a very specific and limited diet
  8. 20. - The region on, above, and below the Earth's surface where life exists
  9. 21. - An area classified according to the species that live in that location
  10. 22. - The study of relationships among living organisms
  11. 26. - An organism that produces its own food
  12. 27. - The highest taxonomic rank in the hierarchical biological classification system
  13. 29. - The open and well-lit area of a freestanding body of freshwater
  14. 30. - An organism moving out of its home because it is not suit for them anymore
  15. 31. - A taxonomic category in the biological classification
  16. 32. - The coldest biome on earth
  17. 33. - A barren area of landscape where little precipitation occurs and living conditions are hostile for plant and animal life
  18. 34. - Living organisms that shapes its environment
  19. 36. - A partially enclosed, coastal water body where freshwater from rivers and streams mixes with salt water from the ocean
Down
  1. 1. - An area of land that drains into a body of water
  2. 2. - A group of the same species in an area
  3. 4. - Species that use similar niches in different habitats or locations
  4. 6. - Science concerning with classification of organisms
  5. 7. - A group of different species in one area
  6. 8. - An individual living thing
  7. 11. - The bottom of the ocean where sunlight doesn’t reach
  8. 13. - Holds the most ocean biomass
  9. 14. - Any of a group of single-celled prokaryotic organisms
  10. 16. - The number of individuals of a certain species that the environment can constantly support
  11. 17. - A relationship between individuals of two species in which one species benefits without harming or benefiting the other
  12. 19. - microscopic marine algae
  13. 23. - A close association between two or more different biological species
  14. 24. - The use of energy released by inorganic chemical reactions to produce food
  15. 25. - A natural home or environment of an organism
  16. 28. - Composed of all the food chains in an ecosystem
  17. 35. - Coniferous forest region