BIO 1150: Organisms and Ecosystems

Explore the secrets of fossilization in sedimentary rocks. Uncover how these rocks, like nature's archives, preserve the history of life on Earth over billions of years. Delve into the unique processes that create these historical records.

Explore the Evolutionary History of Invertebrates: Are Beetles Related? Discover the intricate web of invertebrate evolution, dating back over 500 million years, and why beetles and their invertebrate counterparts do not share a common ancestry.

Discover the science behind thermoregulation, focusing on endotherms and ectotherms. Understand how internal metabolic processes distinguish endotherms, while ectotherms rely on environmental factors. Highlighting the adaptations each group has evolved to thrive in their habitats.

Explore the role of human placental lactogen (hPL) in this informative video. Learn how hPL prepares the breasts for lactation, debunking other hypotheses about its functions in nourishing the placenta or regulating the menstrual cycle. Discover the primary function of this remarkable placental hormone.

Explore the intricacies of DNA replication and the pivotal role of Okazaki fragments. Understand the difference between the leading and lagging strands. Dive deep into the mechanisms that drive this life-sustaining process.

Discover the significance of coronary arteries in heart health, where they branch from, and their role in delivering oxygen-rich blood to the heart muscle. Learn the differences between the ascending aorta, aortic arch, and pulmonary trunk in relation to the coronary arteries.