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.
How long does it take to become a radiologist may also require training in pediatric radiology, radiation oncology or gastrointestinal radiology so that he/she may become expert in the field of radiology by using different kinds of method applied in radiology.t takes about 13 years in order to become a specialized radiologist.The amount of study required in order to become a radiologist is a lot but in the long-run, that amount of study pays a lot in the future as well.