TestReview-Test1Outines - Bio. 311C Exam One Review...

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Hereditary variations Overproduction and competition Differences in reproductive success Evolution of adaptations in the population Populations of organisms Bio. 311C Exam One Review Adrian Gaspar 9/24/2007 Chapter 1 - Exploring Life 1
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Biological Hierarchy - from the smallest building blocks to the whole picture. o Molecules-> Organelles-> Cells-> Tissues-> Organs/Organ Systems-> Organisms-> Populations-> Communities-> Ecosystems-> The Biosphere Emergent Properties - characteristics due to the arrangement and interactions of parts as complexity increases. o Thoughts and memories are emergent properties of nerve cell networks. Reductionism - reducing complex systems to simple components that are more manageable to study. o Understanding the nucleotide in order to understand the phenotypic characteristic of a person. Negative Feedback - the product of a reaction slows that process down. Positive Feedback - the product of a reaction helps to speed up the process. Taxonomic System - The order in which all living species on the planet are placed. Based on Latin words and roots. o Domain o Kingdom o Phylum o Class o Order o Family o Genus o Species D amn! K ing P hillip C ame O ver F rom G ermany S aturday! Domains of Life - the highest order of the taxonomic system. Composed of certain Kingdom. o Three Domains: Archaea 2
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Archaea Bacteria Bacteria Eukarya Protista Animalia Plantae Fungi Darwin’s Observations - Natural Selection Fig. 1.20 Discovery Science - descriptive science. Describes natural structures and processes as accurately as possible through careful observation and analysis of data. o Data - recorded observations o Inductive reasoning - deriving generalizations based on a large number of specific observations. o Scientific method - order in which to test a question. 3
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Observation Hypothesis Prediction Testing Conclusion OH ! P lease T hink C ritically! o Hypothesis - tentative answer to a well-framed question. o Theory - more broad than hypothesis. General enough to spin off of many hypotheses. Supported by a much more massive body of evidence, compared to a hypothesis. Chapter 2 - The Chemical Context of Life Element - a substance that cannot be broken down to other substances by chemical reactions. Compound - a substance consisting of two or more different elements combined in a fixed ratio. Atom - the smallest unit if matter that still retains the properties of an element. o Subatomic particles - Neutron - no charge Electron - negative charge Proton - positive charge Protons and Neutrons are located in the atomic nucleus, while electrons are located in the region around the nucleus. 4
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TestReview-Test1Outines - Bio. 311C Exam One Review...

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