1. L3: 3.1 “Drawing & Measuring a Blackworm”

2. QUESTION: How do you describe the California blackworm?

3. HYPOTHESIS: I believe ….. because…….

4. PROCEDURE: Page 30-31

5. DATA: Your data will be the microscope diagram of the California blackworm. Label the blackworm’s blood vessel. Also, record the measurement (in mm) of the blackworm beneath your diagram.

6. DATA ANALYSIS: 1. Was the blackworms body smooth on the outside or broken into sections? 2. Where do blackworms live? 3. Were the blackworms easy to rinse from the filter paper?

7. 5. What do you see inside the blackworm that transports nutrients and oxygen for the worm? 6. How can you distinguish the head from the tail?

8. VOCABULARY: Lumbriculus variegatus Segmented Aquatic Chaetae Blood Vessel Anterior Posterior

9. CONCLUSION: Be sure to look back @ your original question. Use complete sentences. Use & highlight all vocabulary words.