Evolution Crossword Puzzle

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Across
  1. 2. The science of classifying organisms according to their shared traits
  2. 4. When a population becomes better suited to its habitat
  3. 11. Evolution of two or more species from one ancestral species
  4. 12. (Genetic) Difference in physical traits of an individual from the group to which it belongs
  5. 13. The struggle between organisms to survive as they try to use the same resources
  6. 14. The gradual process by which something changes into a different form
Down
  1. 1. The end of a species
  2. 3. A method of blending into an environment
  3. 5. Measure of an organism's ability to survive and produce offspring relative to other members of a population
  4. 6. Preserved remains of animals
  5. 7. A group of a type of organisms or animals
  6. 8. A random error in gene replication that leads to a change
  7. 9. He proposed the theory of evolution by natural selection
  8. 10. Name of the common descendant of a group of organisms have