Unit 2: Evolution Review

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