BIOL 152: Principles of Ecological, Evolutionary, and Organismal Biology

Learn how bioremediation works to treat contaminated environments and how microbes can help clean up pollutants. We evaluate multiple scenarios zeroing in on oil-degrading bacteria as a prime example of the process.

Discover the fundamentals of the respiratory system and the primary muscle behind inspiration. This video breaks down the physiological process of breathing, the key role of the diaphragm, and why other muscles don't initiate breathing.

Explore the intricate workings of exergonic redox reactions, their energy release dynamics, and their crucial role in the mitochondria. Understand the Electron Transport Chain's role and how these reactions drive ATP synthesis via chemiosmosis.

Explore the crucial concept of biodiversity and its significance. Learn about the various threats it faces, from pollution to habitat destruction. Emphasize the paramount threat: habitat alterations and their implications.

Discover the relationship between the papillary layer of the dermis and the layers of the epidermis. Understand the structure, function, and connections that exist in our skin's anatomy.

Explore the body's fight-or-flight response and its link to caffeine's effects. Learn how the interruption of cAMP phosphodiesterase leads to prolonged alertness and why caffeine can result in sleeplessness.