Natural Selection

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Across
  1. 2. sudden heritable change in the phenotype of an individual
  2. 7. differences among the genomes of members of the same species.
  3. 8. the biological mechanism by which organisms adjust to new environments or to changes in their current environment.
  4. 9. random fluctuations in the numbers of gene variants in a population.
Down
  1. 1. the process of transmission of genes from parent to offspring.
  2. 3. the ratio of the number of a specified allele in a population to the total of all alleles at its genetic locus.
  3. 4. an organism's ability to pass its genetic material to its offspring.
  4. 5. the process through which populations of living organisms adapt and change.
  5. 6. an event that drastically reduces the size of a population.