HSA 2007 Biology Item 18

In an experiment, a group of students placed ten raisins in a container with 100 milliliters of water. They covered the container and let the raisins sit overnight. The students removed the raisins from the container and observed that they were larger. They also observed that the volume of water in the container had decreased.

What happened to the raisins to cause them to become larger? In your response, be sure to

• name the process that caused the raisins to become larger
• describe how this process caused the raisins to become larger
• explain the role of this process in living systems

Write your answer in your Answer Book.