BIOL 102 Lecture Notes - Lecture 2: Trichinella, Intestinal Parasite Infection, Taenia Solium
Document Summary
Vascular: relatives of the 4 major plant groups, nonvascular plants. Importance of ferns: coal, global warming, gymnosperms, conifers, examples, pines (lumber and pulp, bristlecone pine is oldest organism alive (4600. Yo: spruce, firs, larches, cedars, cypresses, redwoods (largest organisms alive, produce cone that protects the seed, most are evergreen, most have needle-shaped leaves, produce true seeds, consist of, developing embryo, nutrient supply, protective seed coat, cycads, gingko. July 5, 2017: angiosperms (flowering plants, flourished in cenozoic era, dominant form of plant life on earth at the present time. Jellyfish: anthozoa, anemone, coral, polyp stage mostly, examples. July 6, 2017: some feed on roots of plants, some digest organic material in soils, ascaris (human roundworm) Intestinal parasite: females get to be 11-12 inches long, males are 9-10 inches long, was problem in south until 1950s especially rural communities, lifecycle. Jointed appendages: chitinous exoskeleton, high degree of segmentation, cephalization, specialized appendages, metamorphosis, molting, digestion and nutrition.
