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Major Biological Concepts

Major Biological Concepts - Biology 101 Introductory...

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Biology 101 Introductory Biology Fall 2004 Section 01 Why study biology? Biology is relevant - diseases & human health - global problems - jobs Biology can be controversial - stem cells - cloning - conservation Some major Biological concepts: 1. Evolution 2. Characteristics 3. Cells are the basic unit of life 4. Hierarchy of organization 1. Evolution A theme that unites all of biology Life originated and changed over time = evolved Genetics      is the basis for evolution Organisms have become increasingly complex Led to presence of millions of species on earth today 2. Characteristics of living things What distinguishes something that is living? Certain characteristics define life Non-living have one or several, but not all Living organisms possess all  of these characteristics 1. Cellular organization 2. Emergent properties 3. Reproduction
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4. Transformation of energy 5.
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