Dissolved Oxygen and Aquatic Primary Productivity 8-Station Replacement Set (with prepaid coupon)

Relate the importance of dissolved oxygen to the function of aquatic ecosystems 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 Designed to match traditional 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 Replacement Set replaces consumed items. Includes prepaid coupon to request perishable material later at your...