Microevolution

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Across
  1. 3. Introduces new variations in a species
  2. 5. external factor that reduces the reproductive success of some individuals in a population, while favoring others
  3. 8. This occurs when food, mates, and other resources are limited
  4. 9. Any trait that is heritable and increases fitness
  5. 10. Type of selection where humans determine which traits are most favorable
  6. 11. Having a greater chance of of surviving and reproducing
  7. 12. An organism's physical features
Down
  1. 1. Type of selection pattern when members in the middle of curve are favored
  2. 2. The biological change where descendants come to differ from their ancestors
  3. 4. Type of selection when members on ONE extreme are favored
  4. 6. Members within a species exhibit individual differences that can be inherited
  5. 7. Type of selection when members at both extremes are favored
  6. 13. Type of selection where the environment (nature) determines which traits are most fit