Chapter 1: Principles of Life Concept 1.1: Living Organisms Share Common Aspects of Structure, Function and Energy Flow Biology is the scientific study of living things All living things have a single common ancestor Life as we know it had a single origin All organisms: All organisms are composed of cells and organic material (amino acids, nucleic acids etc.) Contain genetic information for protein synthesis and reproduction Convert environmental molecules into biological molecules Use external energy for internal processes Maintain homeostasis Replicate DNA to prepare for reproduction Maintain similar genetic sequences in the fundamental set of genes Change their genetic information according to changes in environment (evolution)
Plants
Chapter 1: Principles of Life Concept 1.1: Living Organisms Share Common Aspects of Structure, Function and Energy Flow Biology is the scientific study of living things All living things have a single common ancestor Life as we know it had a single origin All organisms: All organisms are composed of cells and organic material (amino acids, nucleic acids etc.) Contain genetic information for protein synthesis and reproduction Convert environmental molecules into biological molecules Use external energy for internal processes Maintain homeostasis Replicate DNA to prepare for reproduction Maintain similar genetic sequences in the fundamental set of genes Change their genetic information according to changes in environment (evolution)
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