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Published byRoberta Cummings Modified over 8 years ago
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The Scientific Method:
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Draft Sequence of the Rice Genome
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The Scientific Method:
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http://www.dhmo.org/ FAQ
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Living things are organized.
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Organisms Populations Communities Ecosystems Biosphere
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Molecules Organelles Cells Tissues Organs and Organ systems
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Living things acquire material & energy by metabolism
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Living things respond to environment
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Living things reproduce
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Living things grow and develop
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Living things adapt
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Living things regulate functions
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LE 1-11 Enzyme 1 A A B B C C D D D D D D D D D D D Enzyme 2 Enzyme 3 Negative feedback Enzyme 1
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LE 1-12 W Enzyme 4 W X X Y Y Z Z Z Z Z Z Z Z Z Z Enzyme 5 Enzyme 6 Positive feedback Enzyme 4 Enzyme 6 Enzyme 5 Z Z Z Z Z Z Z Z Z
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Living things evolve
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It is more than the sum of parts
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3500 proteins Map of interaction Of Drisophila
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Basic Unit of Life
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Shared homology and genetic material
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Living things are in three domains
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Bacteria 4 µm 100 µm 0.5 µm Kingdom Plantae Protists Kingdom Animalia Kingdom Fungi Archaea Domain Domain Eukarya
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Evidence of life’s origin: 1.Decay of isotopes 2.Molecular clock 3.Abiotic production of biomolecules
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Opari 1922 “Reducing atmosphere”
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Stanley Miller 1953
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4.5 billion yearsEarth Formation 4 billion yearsOcean and continent formation Evolution began 3.5 billion yearsPhotosynthetic bacteria 3 billion yearsCyanobacteria 1.5 billion yearsProtista and first eukaryotes 1 billion yearsRed and green algae 0.5 billion yearsMulticellular organisms: plants, fungi, animals P198
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