0911 - Chapter 1 in textbook Some Major Concepts in Biology...

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Some Major Concepts in Biology 1. Evolution 2. Living things share characteristics 3. Cells are the basic unit of life 4. Hierarchical organization Chapter 1 in textbook
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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
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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. Interaction 3. Emergent properties 4. Reproduction 5. Transformation of energy 6. Change over time
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1. Cellular organization Living things consists of one or more cells Cells are organized – different parts/different functions 2. Interaction Within an organism (cells, organs) Between organism and its environment
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This note was uploaded on 11/07/2009 for the course BIO 101 taught by Professor Wetherbee during the Fall '08 term at Rhode Island.

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0911 - Chapter 1 in textbook Some Major Concepts in Biology...

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