Characteristics of life

12345678910
Across
  1. 2. the addition of mass (weight) to an organism
  2. 4. production of offspring (children)
  3. 6. something in the environment that causes a response
  4. 7. a living thing
  5. 9. organisms that can breed (produce offspring)
  6. 10. study of life
Down
  1. 1. the natural changes when an organism matures
  2. 3. regulation of internal conditions to live
  3. 5. inherited traits that change over time in a species
  4. 8. reaction to a stimulus