1. Pulling it Together Osmosis and Cellular Respiration Frozen Frogs

2. Maryland Science Content Standard Based on data from readings and designed investigations, cite evidence to illustrate that the life functions of multicellular organisms (plant and animal) are carried out within complex systems of different tissues, organs and cells. Extracting energy from food Getting rid of wastes Making raw materials

3. Objective Students will make connections between the definition of osmosis and how osmosis is responsible for organisms maintaining life functions, even in the harshest conditions.

4. Frozen Frogs View quick movie on Frozen Frogs –Click hereClick here View a second time, paying special mind to anything that may pertain to what we have learned in class about osmosis and cellular respiration

5. Read Twice Click on the link below to read the background essay: Frozen Frogs –Click HereClick Here Read a second time, paying special mind to anything that may pertain to what we have learned in class about osmosis and cellular respiration

6. Answer in Notebook Why is it beneficial for the wood frog to become frozen during the winter? What makes it possible for the tree frog to freeze itself? How does the process of osmosis play a role in the survival of the tree frog? If the frog was not able to freeze on the inside, how would the process of osmosis end up taking the life of the frog?