Jayleene Crossword puzzle

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Across
  1. 2. the study of the relationships among living organisms
  2. 5. variety and variability of life on Earth
  3. 6. any member of the group of eukaryotic organisms that includes microorganisms
  4. 8. any biological living system that functions as an individual life form
  5. 10. a process used by plants and other organisms to convert light energy into chemical energy
  6. 11. a variation of the same sequence of nucleotides at the same place on a long DNA molecule
  7. 13. free-living organisms often consisting of one biological cell
  8. 14. an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA
  9. 15. the basic structural and functional unit of life forms
Down
  1. 1. the change in heritable characteristics of biological populations over successive generations
  2. 3. membrane-bound organelle found in eukaryotic cells
  3. 4. a long DNA molecule with part or all of the genetic material of an organism
  4. 7. sequence of nucleotides in DNA that is transcribed to produce a functional RNA
  5. 9. the branch of biology concerned with the study of the structure of organisms and their parts
  6. 12. an organism of one or more cells with membrane-bound nuclei