Chapter 17 key terms

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Across
  1. 2. a solution containing more than an ingredient that can be held in solution permanently
  2. 4. heterotrophic microorganism that lives in grows incomplete or almost complete absence of oxygen some are obligate, other facultative.
  3. 6. Crystalline mineral component of bones and teeth that contains calcium and phosphate
  4. 7. white blood corpuscle capable of amoebic movement; functions to protect the body against infection and disease.
  5. 8. Nucleus, focus, point of origin
  6. 9. a surrounding framework, enabling development in a structured manner
Down
  1. 1. heterotrophic organism that can live and grow in the presence of free oxygen some are obligate, others facultative
  2. 3. Without definite shape or visible differentiation structure
  3. 4. not made up of or containing cells
  4. 5. Dental biofilm, mineralized by crystals of calcium phosphate, mineral salts between previously living organisms