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.
The cycles are the key to the movement of nutrients through an ecosystem. Living things need these nutrients (like nitrogen and phosphorus) to survive and grow, and when they â¦ die, the materials are recycled through the system. Phosphorus is used in nucleic acids and is a nutrient to living organisms.n effect, the element is recycled, although in some such cycles there may be places (called sinks) where the element is accumulated or held for a long period of time. Biogeochemical cycle, any of the natural circulation pathways of  the essential elements of living matter.