Evolution

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Across
  1. 4. a group of similar organisms that can produce fertile offspring
  2. 7. a trait that helps an organism survive and reproduce
  3. 9. gradual change in species over time
  4. 10. relating to or derived from living matter
  5. 11. how well an organism can survive and reproduce
Down
  1. 1. change in the genetic material of a cell
  2. 2. the potential for a species to produce too many offspring
  3. 3. surroundings and conditions that an organism lives or operates in
  4. 5. anything living
  5. 6. limited supply of resources needed for life
  6. 8. alternate of a gene that's caused by mutation