Ecology

Edit Answers
12345678910111213141516171819202122232425262728293031323334353637383940414243
Across
  1. 3. organisms that eat detritus particles and decomposers
  2. 5. cycle that provides this essential element for DNA and proteins
  3. 6. factors within an environment that are nonliving
  4. 8. process which makes carbohydrates using light
  5. 9. network of eating relationships within an ecosystem
  6. 12. cycle involving evaporation and precipitation
  7. 13. type of competition among organisms of different species (lion vs hyena)
  8. 15. type of symbiosis when one benefits and the other is neither helped nor harmed
  9. 18. cycles that are powered by ecological energy
  10. 20. organisms that eat animals
  11. 24. the study of the interaction between organisms and their environment
  12. 25. showing how many individuals exist per area
  13. 27. organisms that break down decaying organic matter
  14. 28. part of an ecosystem occupied by an organism or species
  15. 30. expected world population by 2050
  16. 32. organisms that cannot make their own food and must eat food for nutrients
  17. 33. the lowest level of a food chain that makes its own food
  18. 34. the maximum number of individuals that can be supported by a particular environment and resources
  19. 35. element cycle found primarily in rocks
  20. 36. several populations of different species living in the same area
  21. 37. organisms that eat left over dead animals; are not predators
  22. 39. a single member of a species
  23. 41. singular pathway of who eats whom in an ecosystem
  24. 42. type of symbiosis when one species is helped while the other is harmed
  25. 43. upper levels of a food chain that consume organisms from the level below it
Down
  1. 1. type of symbiosis when both species benefit
  2. 2. organisms that eat both plants and animals
  3. 4. several populations of different species living in the same area along with their environment
  4. 7. organisms that make their own food, like plants
  5. 10. how individuals are dispersed in an area
  6. 11. several ecosystems with similar climates located within a region of the globe
  7. 14. multiple organisms of the same species living in the same area
  8. 16. individuals move out of an area
  9. 17. individuals move into an area
  10. 19. life on Earth; the largest classification of ecological organization
  11. 21. organisms that eat plants (all parts)
  12. 22. so important to an ecosystem that even the slightest change causes massive impacts
  13. 23. percent of energy that transfers up to each trophic level
  14. 26. when two organisms or species share living environments
  15. 29. type of competition among organisms of the same species (lion vs lion)
  16. 31. cycle involving decomposing organic matter
  17. 34. process which makes carbohydrates without light
  18. 38. factors within an environment that are living
  19. 40. as energy moves up each trophic level, 90% is release as _________