Introduction to Biology

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Across
  1. 4. An inherited trait that results from change to a species over time
  2. 6. An organism's internal regulation to keep it alive
  3. 7. The science of life
  4. 8. The production of offspring
  5. 10. The addition of mass in an organism
  6. 12. Something that causes a reaction in a living thing
Down
  1. 1. ________ of life
  2. 2. A group of organisms that can breed and create fertile offspring
  3. 3. Arranging in an orderly way; a characteristic of living organisms
  4. 5. A reaction to stimulus
  5. 9. A living thing
  6. 11. Building block of life