Evolution

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Across
  1. 4. the process of coming into view or becoming exposed after being concealed
  2. 5. is a representation of the possible form, shape or structure of an organism
  3. 6. process by which different kinds of living organisms lived
  4. 7. deoxyribonucleic acid is a molecule that carries most of the genetic
  5. 8. the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
  6. 9. is often defined as the largest group of organisms
Down
  1. 1. the influence of closely associated species on each other in their evolution
  2. 2. individual animal, plant, or single-celled life form
  3. 3. a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring
  4. 6. the interaction of genes that are not alleles, in particular the suppression of the effect of one such gene by another