1. Differentiate between the cell membrane and the cell wall in terms of what they do and what they are made from.

2. Explain why the cell wall is unable to regulate what enters/leaves the cell.

3. Explain why wood cells have thicker cell walls than leaf cells.

Wood Cells Leaf Cells

4. Identify the cell below as animal, plant, fungus, protist, or bacteria, and defend your answer.

5. Identify the cell below as animal, plant, fungus, protist, or bacteria, and defend your answer.

6. List 3 reasons why this could not be a plant cell.

7. Scientists have inferred that protists evolved before plants. Defend this inference with evidence.

Seaweed Leaf Cells Plant Leaf Cells

8. Give an example of a protein produced and secreted by fungi cells, and explain why it is produced/secreted.