1. Digestive System and Enzyme Action | Labeling bile-producing organs, explaining physical digestion, and describing bile′s role in fat and protein breakdown.

2. Plant Transport and Aphid Feeding | Identifying insect characteristics, recognizing phloem structures, calculating translocation rates, and explaining source-sink changes in potato plants.

3. Immunity and Disease Prevention | Reducing mother-to-child HIV transmission, analyzing breastfeeding’s effect on infection rates, and comparing passive immunity with vaccination.

4. Respiration and Exercise Physiology | Comparing aerobic and anaerobic respiration, analyzing heart and breathing rates post-exercise, and calculating recovery rate.

5. Genetics and Codominance | Interpreting a pedigree for feather color in chickens, completing a genetic diagram, and identifying codominance in humans.

6. Biotechnology and Genetic Engineering | Explaining blood clotting, describing recombinant DNA techniques, and evaluating advantages and disadvantages of genetically modified crops.