Unit 5: Natural Selection

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Across
  1. 2. breeding of organisms for desired characteristics
  2. 3. a person who studies the natural world
  3. 10. simple term for change over time
  4. 11. the name of Darwin's ship
  5. 12. the process by which populations of organisms with variations that help them survive in their environment live longer, compete better, and reproduce more than those that do not have variations.
  6. 14. the difference in the physical trait of an individual from those of other individuals of the same population
  7. 15. group of similar organisms that can mate with each other to produce fertile offspring
  8. 16. feature that allows organism to better survive.
  9. 17. the animal Wallace loved the most
Down
  1. 1. the way an organism behaves or acts. Hunting at night is an example.
  2. 4. these adaptations involve color, shape, and other physical characteristics. The shape of the finch's beak is an example.
  3. 5. determined that natural death plus variation equals natural selection.
  4. 6. a physical trait
  5. 7. where Darwin examined tortoises and finches
  6. 8. a group of organisms of the same species that live in the same area
  7. 9. a naturalist who first developed the ideas of natural selection.
  8. 13. type of birds that Darwin and then Peter and Rosemary Grant examined.