🔬 Part 1: Microscope Observations

1. Draw and label what you observe in the plant cell slide:

2. Draw and label what you observe in the animal cell slide:

3. What structures did you observe that were common to both plant and animal cells?

4. What differences did you notice between plant and animal cells?

📚 Part 2: Cell Theory Knowledge Check

5. Which statement is the first tenet of cell theory?

All cells arise from pre-existing cells

All living things are composed of one or more cells

The cell is the basic unit of structure and function

All cells contain DNA

6. Complete the three tenets of cell theory:

Tenet 1: All living things are composed of ___________________.

Tenet 2: The cell is the basic unit of _____________ and _____________ in organisms.

Tenet 3: All cells arise from _________________________ cells.

7. Which of the following provide evidence for cell theory? (Check all that apply)

Bacteria are single-celled organisms that can reproduce

Human tissues are made up of many cells working together

Cells can be observed dividing to form new cells

All organisms need water to survive

8. Based on your observations today, explain how your microscope findings support one tenet of cell theory:

9. A scientist discovers a new organism. What evidence would they need to determine if it follows cell theory?

10. In your own words, why is cell theory fundamental to biology?