Chapter 1 - Introduction: Biology Today
Chapter 1 - Introduction: Biology Today Biology 110 002
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This 2 page Class Notes was uploaded by Kathleen Maris on Sunday October 11, 2015. The Class Notes belongs to Biology 110 002 at University of South Carolina - Columbia taught by Dr. Dhameja in Fall 2015. Since its upload, it has received 36 views. For similar materials see General Biology in Science at University of South Carolina - Columbia.
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Date Created: 10/11/15
Chapter 1 Introduction Biology Today 0 Evolution is the process of change that has transformed life on Earth 0 Organisms living on Earth are modified descendents of common ancestors The unity or connection to them is DNA or genetic material 0 DNA is a language with four letters A T G C Adenine Thymine Guanine Cytosine 0 DNA is like English which with 26 letters can make billions of books very different but with the same root RNA is considered the central dogma of molecular biology GMO stands for genetically modified organism Fig 13 Response to the environment Evolutionary adaptation LL Reproduction A Energy processing AGrOWth and 4 r development Copyright 2008 Pearson Education no publishing as Pearson Benjamin Cummings 0 Observations can lead us to ask questions and propose hypothetical explanations called hypotheses 0 A hypothesis is a tentative answer to a well framed question 0 A scientific hypothesis leads to predictions that can be tested by observation or experimentation Observation Your ashlight doesn t work 0 Question Why doesn t your ashlight work 0 Hypothesis 1 The batteries are dead 0 Hypothesis 2 The bulb is burnt out A hypothesis must be testable and falsi able Fig 124 Observations i Question Copyrighl 2008 Pearson Education Inc publishing as Pearson Benjamin Cummings