BSC 108 Lecture Notes - Lecture 1: Electron Shell, Ionic Bonding, Dehydration Reaction
29 Aug 2016
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Non living characteristics: no movement, don"t need food. We are living in the golden age of biology. Modern biology is exciting and changing our culture. *life is recognized by what living things do. 7 characteristics: they have order, they regulate themselves (homeostasis) maintaining steady state , they grow and develop, they respond to the environment, they reproduce, populations evolve, they use energy. Theme one: the scope of life and emergent property. Life consists of vertical hierarchy = molecules --- biosphere. Be familiar with figure 1. 2 on page 5. Due to the arrangements and interactions of the components. Emerging properties are difficult to predict when you look at the properties at lower levels of the hierarchy. Put all the molecules required for photosynthesis in a test tube (expose to light) The specific orientation of the molecules is missing. Theme two: organisms exchange matter and energy within ecosystems. Example: plants use carbon dioxide to make food.
