BIOL 317: Ecology

Understand the essence of controlled experiments and the significance of control groups. Unpack the common misconceptions associated with experimental design. Grasp the key factors that make an experiment truly controlled.

Discover the complex world of sea urchin reproduction, focusing on the essential role the cortical reaction plays in egg fertilization. Uncover common myths surrounding this process and learn what actually happens at the cellular level. Gain insight into how the formation of a fertilization envelope is crucial for successful fertilization.

Uncover the vital role of the kidneys in blood filtration and electrolyte balance. Understand the significance of the glomerulus, Bowman's capsule, and renal structures in the filtration process. Grasp the journey of filtrate as it becomes urine within the renal system.

Discover the unique adaptations of C4 and CAM plants in photosynthesis. Understand their evolved strategies to fix carbon efficiently in challenging environments. Dive into nature's remarkable mechanisms of survival and adaptation.

Unveil the essential muscles that make breathing possible in this video. Learn why the diaphragm and scalene are crucial players and why other muscles like the trapezius and semispinalis aren't involved in respiration.

Explore the fascinating world of vertebrates and tunicates in this video answer. Learn about their shared anatomical features including notochords and dorsal hollow nerve cords that reveal their closely linked evolutionary history