Zoologists, also known as animal biologists or animal scientists, study animals in their natural habitats and in laboratory settings to understand their behavior and aspects of their life. Many institutions offer bachelor's, master's and doctoral programs in zoology. At the undergraduate level, students complete general education classes, like composition and psychology, and get the basics of animal science and biology. This degree option usually takes 4 years to finish.
Living things need nutrients because nutrients provide us with the energy we need in order to live, they also provide our bodies with the raw materials for constructing the m â¦ olecules on which our body survival depend. 2 people found this useful.
Nearly all foods supply energy or calories. However, some provide more calories than others. No single food or kind of food is âfatteningâ by itself. When the energy provided in food is not used â whatever food it is â the excess is stored in the body in the form of fat.ome nutrients need to be replenished every day from food, while others can be stored in the body for future use. Of the six classes of nutrients, only 3 provide energy: Carbohydrates, Fats and Proteins. Energy is the bodyâs most basic need.