E. Muscle Any or all of these layers just described may be involved in infections. 3. DEFENSES OF SKIN AND SOFT TISSUE (review Host Defense Against Bacterial Pathogens: Defenses of Body Surfaces, pp.7-8.) A. Skin is an important anatomic barrier â bacteria and viruses cannot penetrate intact skin.
Others work closely with environmental and other scientists to preserve and clean up the environment. Geoscientists usually study and work in one of several closely related fields of geoscience. Geologists study the composition, processes, and history of the Earth.
Botanists study plants to try to understand how these processes work. Their research is involved in enhancing crops, developing medicines, cleaning up contaminated sites, and even powering our cars. It's an exciting field on the cutting edge of the clean energy economy. It's also a profession for nature lovers. Some botanists study how plants relate to their natural communities. The work of these plant ecologists helps conserve endangered species and natural areas. Regardless of the specialty, we all benefit from their work. Simply put, botany is the study of plants.