Natural Selection

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Across
  1. 1. A visible trait
  2. 6. Leaving more than a single offspring
  3. 7. These varied among the finches Darwin studied
  4. 8. Specific characteristic of an individual
  5. 10. Life is hard, most individuals die (3 words, no blank)
  6. 11. Beaks of finches were adapted to different types of _____
Down
  1. 2. Offspring differ in traits (2 words, no blank)
  2. 3. What happens to an unchecked population
  3. 4. Inherited trait that helps an individual survive
  4. 5. Living to maturity and having offspring (2 words, no blank)
  5. 7. A trait which is how something acts
  6. 9. The speed at which changes occur in species