Animal Digestion and Ecology

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Across
  1. 5. used for short-term energy, and are made up of single, double, and many sugars
  2. 6. (two words, no space between), bacteria that are found in the soil that break down ammonia into nitrates so that the nitrogen can be absorbed by plants to make proteins
  3. 7. sharp, flat teeth for snipping or cutting
  4. 9. organisms that eat producers or other consumers
  5. 10. (two words, no space between) a model that identifies the feeding relationships and the flow of energy in an ecosystem
  6. 11. (two words, no space between), the portion of the digestive tract that is toward the end and largely is used for reabsorbing water and salts
  7. 15. tough, stringy carbohydrate found in plant cell walls and is mostly indigestible to animals
  8. 16. bacteria found in the roots of plants that breaks down atmospheric nitrogen into ammonia as a part of the nitrogen cycle
Down
  1. 1. (two words, no space between) are conditions of the ecosystem (biotic, abiotic, human interventions) that limit the population size (the number of a species) in an ecosystem.
  2. 2. made of long strings of amino acids bonded together and are essential for making muscle, skin, hair, and enzymes in your body
  3. 3. organisms that produce their own food from the materials and energy from the abiotic environment
  4. 4. tooth anatomy
  5. 5. pointed teeth for tearing flesh
  6. 8. (two words, no space between) portion of the digestive tract that absorbs nutrients after passing through the stomach
  7. 12. a community of all living organisms, and the non-living surroundings
  8. 13. large flat teeth that help grind tough materials
  9. 14. (two words, no space between), a model that uses a series of interconnected food chains to show the complex feeding relationships in an ecosystem
  10. 15. portion of the digestive system that is found between the large and small intestine ins some animals that have to digest large amounts of cellulose