All standards
AP Biology Unit 4
AP Biology Unit 4 is listed in Scivra's course catalog under Advanced Placement. The courses below are aligned with this catalog reference.
Aligned experiments
Biology
Mitosis in Onion Root Tips
Count dividing cells in a root tip. How long does each phase take?
Biology
Homeostasis & Feedback
Plunge a hand in ice water or run in place. What does your body do next?
Biology
Cell Signaling Pathways
A hormone docks on a receptor and a whole cell changes. Block one step and see what breaks.