Ecology Crossword

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Across
  1. 7. They invest more in light capture, and have tighter integration of autotrophic and heterotrophic metabolism
  2. 12. An organism that can use a mix of different sources of energy and carbon
  3. 13. Obtaining nourishment by feeding on plants or other animals.
  4. 14. The breakdown of large insoluble food compounds into small water-soluble components
  5. 15. The set of conditions actually used by given animal, after interactions with other species have been taken into account.
  6. 16. An organism that digests their food externally and then absorbs the products
  7. 18. The act of discharging undigested or waste material from a cell or organism
  8. 19. The _______ of nutrients takes place in sections of the small intestine.
  9. 21. The entire set of conditions under which an animal can survive and reproduce itself.
  10. 25. I only like plant material
  11. 26. Single-celled organisms that lack cell nuclei and are therefore prokaryotic
Down
  1. 1. The inevitable elimination from a habitat of one of two different species with identical needs for resources.
  2. 2. Organisms that start heterotrophic feeding when dissolved inorganic nutrients are limiting and organisms that feed when a trace organic growth factor is limiting and organisms that feed when light is limiting
  3. 3. I vomited after the ________ of contaminated food"
  4. 4. An organism that produces complex organic compounds using carbon from simple substances
  5. 5. A group of microorganisms that can only survive in oxygen-free environments
  6. 6. An organism that requires oxygen to grow
  7. 8. Organisms that carry out photon capture to produce complex organic compounds and acquire energy
  8. 9. The process of absorption of vitamins, minerals, and other chemicals from food as part of the nutrition of an organism
  9. 10. I like plant and animal matter
  10. 11. An organism that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation if oxygen is absent
  11. 17. An organism that cannot produce its own food so it instead takes nutrition from other sources of organic carbon
  12. 20. Small single-celled organisms that are found almost everywhere on Earth and are vital to the planet's ecosystems
  13. 22. An organism that obtains energy by the oxidation of electron donors in their environments
  14. 23. The position of a species within an ecosystem
  15. 24. Organisms whose cells have a membrane-bound nucleus