Natural Selection Puzzle

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Across
  1. 4. A slight difference in an inherited trait among individual members of a species
  2. 5. An inherited trait that increases an organism's chance of surviving and reproducing in a particular environment.
  3. 7. Body parts that preform a similar function but differ in structure
  4. 9. Body parts of organisms that are similar in structure and position but different in function
Down
  1. 1. The process by which organisms with variations that help them survive in their environment
  2. 2. Body part that has lost its original function through evolution
  3. 3. An adaptation that enables a species to blend in with its environment
  4. 6. The selection and breeding of organisms for desired traits
  5. 8. An adaptation in which one species looks like another species