ENVIRONMENTAL SCIENCE TEST 2A

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Across
  1. 2. number of indiv per unit area
  2. 3. top of the food chain
  3. 6. how organisms spread out
  4. 7. bottom of the food chain
  5. 8. herbivore
  6. 10. SPECIES NO LONGER EXISTING ON EARTH
  7. 13. nonliving portions of ecosystem
  8. 14. THE NUMBER OF OFFSPRING THAT YOU HAVE THAT SURVIVE TO HAVE OFFSPRING
  9. 18. has very limited food sources
  10. 20. model of how energy is transferred through ecosystem
  11. 23. how we estimate plant populations
  12. 24. number of a species in the same location
  13. 26. small species focused on reproduction and dispersion
  14. 28. contains parasites
  15. 30. typically found in groups (social species)
  16. 33. gets killed by predators
  17. 34. using of the same resources
  18. 38. roles an organism actually plays due to competition
  19. 39. SPECIES THAT DOES DAMAGE TO AN ECOSYSTEM IT IS NOT NATIVE TO
  20. 42. two organisms benefiting each other
  21. 43. large competitive species
  22. 44. how populations grow with competition
  23. 45. number of species in an ecosystem
  24. 46. living portions of the ecosystem
  25. 50. eats autotrophs and heterotrophs
  26. 51. new island forming is an example of
  27. 52. TWO SPECIES BECOMING MORE DIFFERNT DUE TO DIFFERENT ENVIRONMENTS
  28. 53. SPECIES THAT PLAYS A ROLE OF MORE IMPORTANCE THAN OTHER SPECIES
Down
  1. 1. sharing of a resource
  2. 4. number of individuals an ecosystem can sustain
  3. 5. HUMANS DETERMINE WHICH TRAITS GET PASSED DOWN
  4. 7. how carbon gets into the biological process of the carbon cycle
  5. 9. organsim found on rocks that can begin primary succession
  6. 10. reproduction with unlimited resources
  7. 11. mature species survivorship
  8. 12. how we estimate animal populations
  9. 15. pioneer species survivorship
  10. 16. has a wide variety of food sources
  11. 17. prevented from using a resource
  12. 19. THE ENVIRONMENT DETERMINES WHICH TRAITS GET PASSED DOWN
  13. 21. kills and eats other organisms
  14. 22. feeds off of other organisms
  15. 25. how cells give off carbon
  16. 27. close relationship between two organisms
  17. 29. TWO SPECIES CHANGING TOGETHER BECAUSE OF CLOSE SYMBIOSIS
  18. 31. replacing of a previous ecosystem
  19. 32. one organism benefits the other organism unaffected
  20. 35. all the possible roles and organsim could play
  21. 36. slope on a population graph
  22. 37. all the interconnected species in an area
  23. 40. end of succession
  24. 41. first carnivore
  25. 47. how we measure energy amounts in ecology
  26. 48. CHANGE IN DNA
  27. 49. roden and bird survivorship