Natural Selection

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Across
  1. 2. Accumulation of favorable traits
  2. 7. Survival of the Fittest
Down
  1. 1. Favorable traits that help an organism survive
  2. 3. More offspring than can survive
  3. 4. Studied Natural Selection
  4. 5. Differences between species
  5. 6. Islands off coast of South America
  6. 8. Limited food and resources