CWD: Food Chains & Food Webs

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Across
  1. 2. a symbiotic relationship in which one organism (the parasite) benefits and the other (the host) is harmed
  2. 4. organism that eats both plants and animals
  3. 7. compounds containing the elements carbon, hydrogen, and oxygen
  4. 11. the transfer of energy from the sun to producers to consumers; describes groups of organisms, each of which is dependent on another food group
  5. 12. shrimp-like zooplankton
  6. 13. organisms that eat dead plants and animals, as well as animal waste
  7. 15. high energy nutrients such as fats and oils
  8. 17. any organic or inorganic material that an organism needs to metabolize, grow, and reproduce
  9. 18. naturally occurring, inorganic elements and compounds found in water and soil that do not contain the element carbon
  10. 19. the process plants use to make the sugar glucose from water, carbon dioxide, and the energy in sunlight
  11. 21. a permanent, close relationship between two organisms that benefits at least one of them
  12. 22. an organism that eats animals
  13. 23. small, usually microscopic animal plankton that float or drift in the ocean
  14. 24. consumer organisms that eat secondary consumers but may also eat primary consumers and producers
  15. 27. a chemical reaction where water is used to break down compounds; typically occurs when food is digested
Down
  1. 1. a symbiotic relationship in which one organism benefits and the other is unaffected
  2. 3. a symbiotic relationship in which both organisms benefit
  3. 5. small, usually microscopic plant plankton that float or drift in the ocean
  4. 6. organism that eats only plants
  5. 8. a chemical process in which animals break down and utilize nutrients
  6. 9. organisms that make their own food through photosynthesis
  7. 10. organisms that eat other organisms
  8. 14. total amount of organisms per unit volume
  9. 16. complex organic compound made up of amino acids
  10. 20. animals that eat the remains of already dead animals and plants
  11. 21. consumer organisms that eat primary consumers but may also eat producers
  12. 25. consumer organism that eat plants (producers)
  13. 26. interrelated food chains in an ecosystem; the feeding relationships between various plants and animals