Biology Project

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Across
  1. 1. the environment as it relates to living organisms
  2. 3. a rigid layer of polysaccharides enclosing a plant membrane
  3. 5. the process by which the body breaks down food
  4. 8. a substance used to kill microorganisms and cure infections
  5. 9. any of the forms of a gene that can occupy the same locus
  6. 10. a digestive juice secreted by the liver
  7. 12. basic unit of all plants
  8. 15. process determined by substances' composition and structure
Down
  1. 2. the branch of biology that studies the structure and function of cells
  2. 4. a process in which one substance permeates another
  3. 6. basic unit of all animals
  4. 7. A group or layer of cells that work together to perform a specific function.
  5. 11. any of green pigments found in photosynthetic organisms
  6. 13. a chamber connected to other chambers or passageways
  7. 14. organelle in which photosynthesis takes place