Lesson 5 Crossword

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Across
  1. 2. All non-domesticated animals.
  2. 6. The single resource, such as food, shelter, or water, which is not in excess, preventing a population from increasing. Any single factor, such as predation that keeps a population from increasing.
  3. 9. Using the sun as a heat energy source.
  4. 10. The sum of all chemical processes in living things.
  5. 11. A consumer that feeds on dead plants and animals.
  6. 12. The chemical production of sugar from water and carbon dioxide in the presence of chlorophyll and sunlight.
  7. 14. A green plant that converts solar energy and other plant nutrients to starches and sugars.
  8. 15. The ability to do work or cause changes to occur.
  9. 16. The science concerned with the relations between heat and energy or work and the conversion of one into the other.
  10. 19. An animal that feeds only on secondary consumers.
  11. 20. An organism that obtains organic food molecules by eating other organisms or their byproducts.
  12. 22. A heterotroph that obtains energy from organic molecules made by other organisms.
  13. 24. A group of organisms that depend on each other for food in a given ecosystem. A food web typically consists of a series of interconnected food chains.
  14. 25. The number of individual organisms living within a defined area.
  15. 27. capacity – The number of wildlife an area can support with food, shelter, and water; or the ability of a given area to provide food, water, and shelter for the population of a given animal.
  16. 28. A carnivorous animal that obtains its nutrition by eating primary consumers.
  17. 29. An animal (or plant) that eats animals.
Down
  1. 1. An uncultivated, uninhabited area.
  2. 3. A unit of energy equal to 1000 calories; the amount of heat needed to raise the temperature of 1kg of water by one degree Celsius.
  3. 4. A sequence of plants and animals that feed on each other
  4. 5. An animal that eats plants.
  5. 7. In ecology, the total weight of living organisms in a given area at a given time.
  6. 8. An animal that eats both plants and other animals.
  7. 13. An animal or other organism that eats plants.
  8. 17. A carnivore at the topmost level in a food chain that feeds on other carnivores.
  9. 18. An organism that breaks down other organisms into their organic compounds, such as fungi and bacteria.
  10. 21. The place or site where an animal lives.
  11. 23. A feeding level in an ecosystem.
  12. 26. An organism that uses energy to synthesize organic molecules from inorganic substances.