IM 2200: Intro to Microbiology

Discover the concept of adaptation in this video, where we evaluate four scenarios to determine which represents a heritable trait enhancing an organism's survival in its environment. Learn how the webbed feet of a duck exemplify a true adaptation, enabling it to thrive in its habitat.

Discover the intricacies of action potentials in the nervous system. Unpack five statements on why they move in one direction, spotlighting the role of the refractory period. Grasp the significance of voltage-gated channels and ion flow in neural communication.

Explore stromatolites, the oldest indicators of life on Earth formed by microbial actions. Understand their presence in shallow marine environments and their connection to early eukaryotic life.

Learn about the composition of arteries focusing on those closer to the heart. Understand the role of endothelium smooth muscle fibers elastic fibers and collagen in these arterial structures. Discover why arteries near the heart have a higher percentage of elastic fibers to withstand pressure changes effectively.

Explore the hierarchy of biological structures to identify the smallest independent unit of life. This video assesses options from organelles to organs, elucidating the pivotal role of the cell in life's tapestry.