Natural Selection Review

Edit Answers
123456789101112131415
Across
  1. 4. The mice that survive and ________ pass on their traits to their offspring.
  2. 6. special characteristics for each organism
  3. 8. ________ has better adaptations to survive in its environment because the population slowly increases.
  4. 9. The dark mice will be _______ from predators.
  5. 10. special traits that help an organism survive in its environment
  6. 13. The only way to tell if the beetles have the ______ for camouflage is to see what environment they live in.
  7. 14. organisms with the best traits survive and reproduce
Down
  1. 1. Different types of ______ need different sizes of beaks.
  2. 2. As the environment got darker, more ______ moths survived.
  3. 3. If these beetles are all the same species, but they have different colors, we say the beetles have ________.
  4. 5. The tan mice will be _______ by predators.
  5. 7. slight genetic differences between individuals of the same species
  6. 11. Only the ______ colored beetles will survive.
  7. 12. ________ does not have helpful adaptations and is slowly decreasing in numbers.
  8. 15. As the environment got darker, more ______ moths were eaten.