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  What is Biology?     In simple terms, biology is the study of living organisms and their interactions with one another and their environments. Actually, this is a very broad definition because the scope of biology is vast. In fact, biologists may study anything from the microscopic or submicroscopic view of a cell to ecosystems and the whole living planet. Biology and Life Sciences Biology is the study of life. When you study biology you will learn about all of the different kinds of living things. You will learn where they live, what they are like, how they depend on each other, and how they behave. One of the main ideas in biology is that living things depend on each other. They are part of what is called the balance of nature. All living things interact with other living things and with the world they live in. Without these relationships, nothing would survive. Humans need plants and animals to supply us with food and raw materials, such as wood, oil, and cotton. Pla...