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Unicellular Organisms Worksheet

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Unicellular Organisms Worksheet

Microscopic view of various unicellular organisms

🎯 WALT: We Are Learning To identify and describe unicellular organisms

Success Criteria:

• I can identify different types of unicellular organisms

• I can describe the basic structure of unicellular organisms

• I can explain how unicellular organisms carry out life processes

📚 Part 1: Multiple Choice Questions

1. What does "unicellular" mean?

Made of many cells

Made of one cell

Made of no cells

Made of dead cells

2. Which of these is a unicellular organism?

Human

Oak tree

Amoeba

Dog

3. What controls all activities in a unicellular organism?

Cell membrane

Nucleus

Cytoplasm

Vacuole

4. Which of these are examples of unicellular organisms? (Tick all that apply)

Bacteria

Paramecium

Mushroom

Euglena

✏️ Part 2: Short Answer Questions

5. Complete the sentence:

Unicellular organisms carry out all _____________ processes in just _____________ cell.

6. Name two ways that unicellular organisms can move:

a) _________________________________

b) _________________________________

7. Explain how an amoeba feeds (2-3 sentences):
8. List three places where you might find unicellular organisms:

1. _________________________________

2. _________________________________

3. _________________________________

9. Extension Question: Explain why unicellular organisms are important to life on Earth:

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