BIOL 243: Anatomy and Physiology I

Discover the distinctions and similarities between gymnosperms and angiosperms. Delve into their structural features, seed development processes, and pollen grain formation. Uncover why only angiosperms possess ovaries.

Uncover the fascinating system that nourishes osteocytes in our bones: the osteocyte lacunar-canalicular network. Learn how canaliculi connect these mature bone cells to vital nutrients, ensuring their health even at significant distances from blood vessels.

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

Discover the mechanism of temporal summation in neurobiology. Understand the role of presynaptic and postsynaptic neurons in this process. Dive deep into the distinct mechanisms and their relevance in the nervous system.

Uncover the intricacies of adaptive radiation, the rapid diversification of species into new ecological niches. Understand factors that drive this phenomenon and how genetic drift stands as an exception. Learn the role of evolutionary innovations and interactions in species divergence.

Explore the critical role of phospholipids in forming cell membranes across various organisms. Understand their unique amphipathic properties and their influence on cellular processes, from transport to signaling.