Within an ecological food chain, Consumers are categorized into consumers, and the tertiary consumers. Primary consumers are herbivores, feeding on plants. Secondary consumers, on the other hand, are carnivores, and prey on other animals. Omnivores, who feed on both
Field Overview. To work as a radiologist, you'll first need to become a licensed physician and specialize in medical imaging. You'll examine images from ultrasounds, x-rays, magnetic resonance imaging (MRI), and other radiographic devices to diagnose your patients' illnesses.o become a radiologist, you must go to medical school for four years after attending undergraduate school. As a medical student, you'll spend the first two years completing basic medical and science coursework in laboratories and classrooms. Courses usually include: 1  Pathology. 2  Anatomy. 3  Molecular biology. 4  Immunology.
Many people are unaware that it takes only two years to become a Radiologic Technologist. The only prerequisite is that you have received your high school diploma or GED.You will find that the field of radiology presents many interesting paths and advancement opportunities.f your goal is to become a Radiologic Technologist, then you will need to complete a program that will prepare you for the ARRT exam. You must pass the ARRT exam in order to get the title of Radiologic Technologist, or RT, as it is commonly referred to in the field.