Interaction of Living Things

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Across
  1. 3. A carnivore or omnivore that feeds on other consumers.
  2. 7. A cycle in which predators increase as prey increases, and predators decrease as prey decreases.
  3. 9. The highest level of classification of living things.
  4. 10. The feeding order of organism in a community.
  5. 11. An organism too small to be seen without being magnified.
  6. 15. Anything that has mass and takes up space.
  7. 17. An organism that feeds on other organisms.
  8. 19. Colors, patterns, or behaviors that help organisms hide in their surroundings.
  9. 20. Smallest unit of most compounds.
  10. 22. To forbid by law
  11. 24. The role an organism plays in an ecosystem; an organism's way of life.
  12. 25. An animal that eats only plants.
  13. 27. A dead animal or rotten meat.
  14. 28. A link in a food chain.
  15. 31. A consumer that is eaten by another organism.
  16. 33. Food.
  17. 35. A diagram that compares the amount of energy available at the trophic levels in a community.
  18. 37. The process of making new products from materials that were used in another product.
  19. 38. The first species.
  20. 43. A nonliving part of the environment.
  21. 45. An animal that eats both plants and animals.
  22. 47. A living part of the environment.
  23. 48. An animal that feeds on dead animals
  24. 50. A carnivore that feeds on other herbivores.
  25. 51. A scientist who studies ecology.
  26. 52. A green pigment in plants that absorbs sunlight.
  27. 53. A chemical that absorbs certain kinds of light energy.
Down
  1. 1. Living or once living material containing carbon.
  2. 2. A relationship in which one species eats another species.
  3. 4. A method of defense in which a species looks, sounds, or acts like a more dangerous species.
  4. 5. The process of ecological change in a community over time.
  5. 6. An organism that breaks down dead organisms and other organic waste products.
  6. 8. Succession in a lifeless environment that creates a community.
  7. 12. An organism made up of a fungus, a green algae, and a cyanobacteria.
  8. 13. An herbivore that feeds on plants.
  9. 14. An organism that can make its own food.
  10. 16. Not containing carbon
  11. 18. coloration The bright colors or patterns on animals that scare off predators.
  12. 19. A group of different species that live in the same area.
  13. 21. An animal that eats other animals.
  14. 23. The process by which cells use oxygen to produce energy from food.
  15. 26. A structure in a cell that harvests energy from the sun.
  16. 29. The second level of classification of living things.
  17. 30. To break apart or wear away.
  18. 32. To exist at the same time in the same place.
  19. 34. The process of producing offspring.
  20. 36. An organism that hunts and feeds on other consumers.
  21. 39. A relationship in which different individuals or populations try to use the same limited resources.
  22. 40. A process plants use to change energy from the sun into stored energy.
  23. 41. The interactions among living things and nonliving things in their environment.
  24. 42. A process bacteria and other life forms use to create energy from chemicals.
  25. 44. A group of organisms of the same species populating a given area.
  26. 46. An element or combination.
  27. 49. All the food chains in a community that are linked together.