7th Grade Science Review #8 (Interdependence)

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Across
  1. 1. non-living factors in an environment such as sunlight, temperature, and water.
  2. 3. the natural process of change in the types of species in an ecosystem over time.
  3. 6. an organism that is hunted and eaten by predators.
  4. 7. a living thing, such as a plant, animal, or microbe.
  5. 11. the process by which plants make their own food using sunlight, carbon dioxide, and water.
  6. 12. Capacity the maximum number of organisms an environment can support.
  7. 15. an organism that obtains energy by eating other organisms.
  8. 17. Consumer an organism that eats primary consumers (usually carnivores or omnivores).
  9. 19. Species a species that has a major impact on its ecosystem.
  10. 20. a symbiotic relationship where one organism benefits and the other is unaffected.
  11. 23. the variety of life in a particular habitat or ecosystem.
  12. 24. a symbiotic relationship where one organism benefits and the other is harmed.
  13. 26. Pyramid a diagram showing energy flow from producers to top predators in an ecosystem.
  14. 29. Consumer an organism that eats secondary consumers (top predator).
  15. 30. the protection and preservation of natural environments and resources.
  16. 32. Web a network of interconnected food chains showing energy flow in an ecosystem.
  17. 33. an organism that breaks down dead or decaying organisms and returns nutrients to the soil.
  18. 35. Consumer an organism that eats producers (usually herbivores).
  19. 37. the struggle between organisms for the same resources in an environment.
  20. 39. an animal that feeds on dead animals.
  21. 40. an organism that lives in or on another organism and benefits by harming it.
  22. 43. living components in an ecosystem such as plants, animals, and bacteria.
  23. 44. the role or function of an organism in its environment.
  24. 45. Resource a resource that cannot be replaced within a human lifetime.
  25. 46. the process of land development into cities that can affect ecosystems.
  26. 48. an organism, like a plant, that makes its own food through photosynthesis.
  27. 49. Factor an environmental condition that restricts the growth, abundance, or distribution of a population.
Down
  1. 2. an animal that eats only other animals.
  2. 4. a close and long-term relationship between two different species.
  3. 5. an animal that eats only plants.
  4. 8. all members of the same species living in a specific area.
  5. 9. a symbiotic relationship where both organisms benefit.
  6. 10. an organism that hunts and eats other organisms.
  7. 13. an organism that gets its energy by consuming other organisms.
  8. 14. Species a non-native species that spreads and causes harm to native species and ecosystems.
  9. 16. Level a level in a food chain or food web based on how an organism gets its energy.
  10. 18. the natural home or environment of an organism.
  11. 21. a community of living and nonliving things that interact in an environment.
  12. 22. a characteristic that helps an organism survive and reproduce in its environment.
  13. 25. related to land environments.
  14. 27. all the living and nonliving things that surround and affect an organism.
  15. 28. Species a species that naturally occurs in a specific region or ecosystem.
  16. 31. Chain a sequence of organisms where each is a source of food for the next.
  17. 34. a group of similar organisms that can reproduce and have fertile offspring.
  18. 36. an organism that feeds on dead plant and animal material.
  19. 38. Density the number of individuals per unit area or volume.
  20. 41. Resource a natural resource that can be replenished naturally over time.
  21. 42. an animal that eats both plants and animals.
  22. 47. an organism that a parasite lives in or on and often harms.