science biology and geneticsish

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Across
  1. 1. results in the addition of mass to an organism
  2. 4. the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
  3. 6. the process of natural changes that take place during the life of and organism
  4. 9. an ___________ is and inherited characteristic that results from changes to a species over time
Down
  1. 2. the production of offspring
  2. 3. regulation of a n organism's internal conditions to maintain life is called ________
  3. 5. the reaction to a stimulus
  4. 7. is a group of organisms that can breed with one another and produce fertile offspring's
  5. 8. anything that is part of either environment and causes some sort of reaction by the organism is called
  6. 10. an individual animal, plant, or single-celled life form.