Natural Selection

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Across
  1. 2. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
  2. 4. Selection the process through which populations of living organisms adapt and change
  3. 6. defense mechanism to disguise themselves
  4. 7. any difference between cells, individual organisms
  5. 10. theory of biological evolution
  6. 12. careful thought explanation
Down
  1. 1. organism can pass to organism
  2. 3. develop gradually
  3. 5. alteration in the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA.
  4. 8. of Evolution Organism produce more offspring
  5. 9. any trait that helps an organism
  6. 11. one that is genetically determined