BIO Unit 1 Discussion.docx - Biology is the u201cstudy of...

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Biology is the “study of life”, however what is meant by this because life varies significantly. Regardless of size and structure, all living things share connections. Life only exists in a hierarchical form, from single celled organisms to the entire biosphere. At each high-level organisms become elaborate. An example of this, is complex eukaryotes come from simple prokaryotes. The cell is the basic unit of life whether prokaryotic or eukaryotic, and only the content of the cell varies but not its importance. For life to continue, genetic instructions must be passed down, all the way from bacteria to plants to people. At every step of the biological hierarchy, structure and functions are interconnected. For example, a cat has long and sensitive

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