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.
Radiologists also need to earn a state-based license before they can legally practice. It takes at least 13 years of postsecondary education and clinical training to become a diagnostic radiologist. That includes a 4-year bachelor education, 4 years of medical school, a year-long internship, and 4 years of residency.Subspecialists may spend an additional year or two in a targeted fellowship for a total of 14-15 years in training.In the United States, aspiring physicians must complete four years of undergraduate education and four years of medical school, and radiologists are no exception.hat includes a 4-year bachelor education, 4 years of medical school, a year-long internship, and 4 years of residency.