DH ch 17

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Across
  1. 3. surrounding framework or enabling development in a structured manner
  2. 4. crystalline mineral component of bones and teeth that contain phosphate and calcium
  3. 5. collective organisms of a given locale
  4. 7. originating outside or caused by factors outside
  5. 9. produced within or caused by factors within
Down
  1. 1. free floating single bacteria such as in saliva gingival crevicular fluid
  2. 2. producing color or pigment
  3. 4. without definite shape or visible differentiation in structure
  4. 6. heterotrophic microorganism that can live and grow in the prescence of free oxygen; some are obligate other facultative
  5. 8. repeating molecular structures in biofilms, the polymers are glycoprotein polysaccharides
  6. 10. nucleus, focus, or point of origin