NATURAL SELECTION & EVOLUTION

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Across
  1. 3. trait that helps an organism survive
  2. 5. ______ selection is the process by which humans select for certain traits in organisms to be passed down over time
  3. 6. a group of individuals of the same species
  4. 10. a change in DNA
  5. 11. scientist that studied and is credited for the idea of natural selection
  6. 12. a physical trait
Down
  1. 1. to have offspring
  2. 2. genetic ____________: different traits within a population, needed for natural selection to occur
  3. 4. the change in inherited traits over time
  4. 7. child
  5. 8. _________ selection is the process whereby organisms better adapted to their environment tend to survive and produce more offspring
  6. 9. what determines what traits are beneficial and what traits are not