Natural Selection

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Across
  1. 6. process by which animals who are more "fit" will reproduce and pass on more genetic material.
  2. 7. the number of alleles available in a population.
Down
  1. 1. the development of a new species from a previously existing species.
  2. 2. a remnant from a body structure that has lost use, but is still present in an organism.
  3. 3. structures that have the same function, but are not from a common ancestor.
  4. 4. traits being passed down from parents to offspring.
  5. 5. structures that have the same structure, given by a common ancestor.