- Use the Winkler technique to measure dissolved oxygen levels
- Simulate and record primary productivity using Chlorella
- Investigate factors that may affect primary productivity in a natural system
For AP® Biology Lab 12. Chemicals for the Winkler technique are provided in group-sized increments. Teacher instructions and reproducible student sheets also included.
The 8-Station Kit includes enough materials for a class of 32 students working in groups of 4. The 1-Station Kit includes materials for one group of 4 students. The 8-Station Replacement Set includes all * items.
** Kit and perishable components will ship separately and may arrive on different days.