Ecosystems

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Across
  1. 2. All members of a single type of living thing in an environment
  2. 6. all the living and nonliving things that interact in an environment
  3. 9. animals that are hunted and killed as food for other animals.
  4. 10. An organism that breaks down other organisms
  5. 11. animals that hunt and kill other animals for food
  6. 12. A living part of the ecosystem
  7. 15. The boundary where a freshwater ecosystem meets saltwater ecosystem
Down
  1. 1. Animals that eat both plants and animals
  2. 3. A nonliving part of an ecosystem
  3. 4. Land-based ecosystems include forests and grasslands.
  4. 5. Animals cannot make their own food so they must eat plants and/or other animals.
  5. 7. Plants are these because they are able to use light energy from the Sun to produce food (sugar) from carbon dioxide in the air and water.
  6. 8. An animal that eats mainly plants
  7. 9. an organism that spends a significant portion of its life in or on a living host organism usually causing harm to the host without immediately killing it.
  8. 13. chain^ The path that energy and nutrients follow in an ecosystem
  9. 14. A group of different populations of organisms.
  10. 16. Water-based ecosystems may be fresh water (lakes and ponds) or saltwater (oceans, estuaries and saltwater marshes).