2. Regents Biology 2007-2008 Properties of Life What characteristics do living creatures have in common?

3. Regents Biology carbohydratesproteins Living creatures are ORGANIZED  All made of the same collection of chemicals, but we are organized as…  molecules  proteins, fats, carbohydrates, nucleic acids DNA

4. Regents Biology Living creatures are ORGANIZED  All made of the same collection of chemicals, but we are organized as…  organelles & cells  plant cells & animal cells animal cell plant cell

5. Regents Biology Living creatures are ORGANIZED  All made of the same collection of chemicals, but we are organized as…  organs & organ systems  respiratory, circulatory, digestive, etc.

6. Regents Biology Living creatures RESPOND  Respond to internal changes  Homeostasis  maintaining balanced conditions inside the body  Respond to external changes

7. Regents Biology Living creatures use ENERGY mitochondria  Metabolism  all the reactions your body performs to make & use energy  eating & digestion & elimination of waste  synthesis = building  cellular respiration = making energy

8. Regents Biology Living creatures GROW & DEVELOP  Change over an individual’s life time  get bigger  mature  so they can reproduce

9. Regents Biology Living creatures REPRODUCE  Make the next generation

10. Regents Biology 2007-2008 Don’t be a Dodo… Ask Questions!!