Ecosystems

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Across
  1. 3. animals that can eat plants
  2. 7. the gradual buildup of substances, such as toxic chemicals, in an organism's tissues over time
  3. 10. animals that only eat animals
  4. 11. arid regions that receive very little rainfall
  5. 14. of energy, movement of _______ through trophic levels in a food chain
  6. 15. animals which eat both animals and plants
  7. 16. a large geographic area with a specific climate, soil type, and dominant plant and animal life
  8. 17. factors, the non-living, physical, and chemical components of an ecosystem that influence the environment and the organisms within it
  9. 20. food for a carnivore or omnivore
  10. 21. the process where toxic substances, like heavy metals and pesticides, become more concentrated as they move up through the food chain
  11. 22. a system of living organisms (biotic) and non-living components (abiotic) that exist in the saltwater
  12. 25. the natural environment where an organism lives, providing food, water, shelter, and other resources necessary for its survival, growth, and reproduction
  13. 26. animals that make the food and are at the start of the food chain
  14. 27. species, when an exotic species outcompetes a native species for resources such as food, water and sunlight, and rapidly grows out of control
  15. 28. animals who consume dead bodies of other dead animals
Down
  1. 1. organisms that hunt, kill, and eat other animals for food
  2. 2. organisms, primarily bacteria and fungi, that break down dead organic matter like plants and animals
  3. 4. factor, all the living components of an ecosystem, including plants, animals, fungi, and microorganisms
  4. 5. chains, a linear sequence of organisms where energy and nutrients are transferred from one organism to another when one is eaten by the next
  5. 6. the ability of biological systems to remain healthy, diverse, and productive over time without being degraded or depleted by human activity
  6. 7. describes the number and variety of species in an ecosystem
  7. 8. webs, Description of how several different food chains are linked together to show the flow of food and energy.
  8. 9. species, A plant or an animal species which helps the survival of a large number of other species in a habitat.
  9. 12. the study of ecosystems
  10. 13. All the living organisms that live in a habitat
  11. 18. consume the producers; could be a herbivore or an omnivore.
  12. 19. community of living organisms (biotic factors like plants and animals) interacting with each other and with their non-living environment in a specific area
  13. 23. animals that get their food by living inside or outside an animals body
  14. 24. A rainforest is an ecosystem in which a community of plants, animals and microorganisms live in a hot, wet environment inside the forest.
  15. 29. species, Every kind of animal, plant, or micro-organism has a home where it has existed for thousands of years