The guest lecture for the Plant Physiology course, organized by the Biology Education Program at FTK UIN Ar-Raniry Banda Aceh, was successfully delivered by Dr. Rahmadina, M.Pd, from the Biology Education Program at FITK UIN Sumatera Utara Medan, serving as the guest lecturer. The lecture, entitled ‘Photosynthesis as the Foundation for Life in Nature,’ exemplifies the ongoing collaboration between the two programs in furthering the tri dharma of higher education, particularly in the field of education. This partnership reflects a shared dedication to promoting academic excellence and enhancing the students’ learning experience.