. State the correct order of the items from the virtual lab on the pH scale.
2. Name four calcifiers from the virtual lab.
3. Name four non-calcifiers from the virtual lab.
4. After you run the lab in part 2, complete the following:
pH 7.7
Replicate A ___________ microns
Replicate B ___________ microns
Replicate C ___________ microns
pH 8.1
Replicate A ___________ microns
Replicate B ___________ microns
Replicate C ___________ microns
5. A drop in a pH of _____ units has a measurable effect on sea urchin larval growth.
6. What does this data suggest?
7. What effect does this drop in pH have upon the growth of the sea urchin larvae?
8. What would this do to the sea urchin population?
9. How would this affect other animals that feed upon sea urchins?
10. Name a species which feeds upon adult sea urchins.