U2: Evolution Review

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Across
  1. 2. a theory that explains how organisms change over time
  2. 6. an observable, physical trait/attribute of an organism
  3. 8. when an organism changes its structure, behavior, or physiology to become better suited to its environment
  4. 9. the selective pressure in the elephant performance task
Down
  1. 1. the interaction between organisms where they struggle to acquire the same limited resource
  2. 3. the ability of an organism to survive and reproduce.
  3. 4. the passing of traits from parents to offspring
  4. 5. when a single species splits into two or more distinct species
  5. 7. two or more visible differences