Across
- 3. major or global communities of organisms
- 6. one organism benefits, other unharmed
- 7. place where animals live
- 9. organisms with a great impact on its ecosystem
- 11. organism that feeds on dead or decaying matter
- 12. organisms that can survive in extreme conditions
- 13. complex network of feeding relationships
- 16. includes all ecosystems
- 18. found in cold, nutrient-rich waters
- 20. organisms use chemicals to produce their own food
- 21. similar to pelagic zone
- 23. species living in similar niches but are found in different geographical regions
- 24. interaction between two organisms
- 26. includes one or more physically similar species
- 27. ocean zone with the most biomass
- 29. an individual living thing
- 30. organisms move out of an area
- 31. organism can produce its own food
- 33. far northern latitude, permafrost
- 35. branch of science that names/classifies organisms
Down
- 1. maximum number of organisms that an environment can handle
- 2. tiny free-floating plant organisms in the water that carry out photosynthesis
- 4. marine ecosystem that has both saltwater and freshwater
- 5. factors needed for an organism to survive
- 8. area of land that drains to a body of water
- 10. organism that eats a specific organism
- 12. complete darkness, 2000m below sea level
- 14. dry climate, low precipitation
- 15. variety of organisms in an area
- 17. branch of science that studies the interactions of organisms
- 19. organism kills and eats another organism
- 22. group of species living in the same area
- 25. living things in a biosphere
- 28. group of same species in an area
- 32. boreal forests, short summers, long winters
- 34. highest level of the taxonomic classification system