UNIT 6 VOCABULARY

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Across
  1. 3. diagram showing patterns of shared characteristics among species
  2. 6. how well an organism can survive and reproduce in its environment
  3. 7. organisms change over time
  4. 8. study of past and present distribution of organisms
  5. 10. all the genes present in a population
Down
  1. 1. heritable characteristics that help an organism survive
  2. 2. organisms that are best suited to their environment survive and reproduce
  3. 4. group of individuals of the same species that live in the same area
  4. 5. preserved remains of ancient organisms
  5. 9. type of selection where a mate is selected based on heritable traits