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Published byDarrell Dennis Modified over 9 years ago
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Biology 4
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What is Life?
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Properties of Life
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Reproduction
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Order
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Growth and Development
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Use Energy
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Response to the Environment
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Homeostasis
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Evolutionary Adaptations
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Smallest Unit of Life Cell or Virus????
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Smallest Unit of Life – The Cell Prokaryotic Cells –DNA and Ribosomes –No nucleus –No membrane bound Organelles Eukaryotic Cells –DNA and Ribosomes –Nucleus –Membrane bound Organelles
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Emergent Properties Novel properties emerge that are not present at the level below Reductionism
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Unity and Diversity
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Biology Hierarchy
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Subatomic Particles Atoms Molecules Organelles Cells Tissues Organs Organ Systems Organisms Populations Communities Ecosystems Biomes Biosphere
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Biology Hierarchy K P C O F G S
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Biology Hierarchy Kingdom Phylum Class Order Family Genus Species
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Biology Hierarchy Kingdom - Animalia Phylum Class Order Family Genus Species
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Biology Hierarchy Kingdom - Animalia Phylum - Chordata Class Order Family Genus Species
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Biology Hierarchy Kingdom - Animalia Phylum - Chordata Class - Aves Order Family Genus Species
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Biology Hierarchy Kingdom - Animalia Phylum - Chordata Class - Aves Order - Falconiformes Family Genus Species
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Biology Hierarchy Kingdom - Animalia Phylum - Chordata Class - Aves Order - Falconiformes Family - Accipitridae Genus Species
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Biology Hierarchy Kingdom - Animalia Phylum - Chordata Class - Aves Order - Falconiformes Family - Accipitridae Genus - Haliaeetus Species
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Biology Hierarchy Kingdom - Animalia Phylum - Chordata Class - Aves Order - Falconiformes Family - Accipitridae Genus - Haliaeetus Species - leucocephalus
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Biology Hierarchy Kingdom - Animalia Phylum - Chordata Class - Aves Order - Falconiformes Family - Accipitridae Genus - Haliaeetus Species - leucocephalus
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Biology Hierarchy Domain Kingdom Phylum Class Order Family Genus Species
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Domains
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Domain: Bacteria Prokaryotic Cell Walls - Peptidoglycan Most Bacteria
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Domain: Archaea Prokaryotic Extreme Conditions Make DNA and Proteins like eukaryotic cells
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Domain: Eukarya Eukaryotic Cells
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Kingdom: Protista Usually Unicellular Some have Cell Walls of Cellulose
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Kingdom: Fungi Multicellular Cell Walls of Chitin Decomposers
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Kingdom: Plantae Multicellular Cell Walls of Cellulose Autotrophs
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Kingdom: Animalia Multicellular No Cell Walls Heterotrophs
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What is Science? Science = To Know Science is a process –Scientific Method
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What is Science? Science = To Know Science is a process –Scientific Method
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Scientific Method Observation –Senses / Lit search Hypothesis –Testable and Repeatable –Null hypothesis – No significant difference –Alternative hypothesis – significant difference Experiment –Sample Size = 30 –Control, change one variable –Threshold criterion (0.05) Analysis –Quantitative (Statistical testing) Conclusion
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Scientific Method Observation –Senses / Lit search Hypothesis –Testable and Repeatable –Null hypothesis – No significant difference –Alternative hypothesis – significant difference Experiment –Sample Size = 30 –Control, change one variable –Threshold criterion (0.05) Analysis –Quantitative (Statistical testing) Conclusion
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Are they the same? Hypothesis Theory Law
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Probability in Science Science eliminates possibilities
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Probability in Science Do the colors make them harder to see? Is there a benefit looking like a poisonous species?
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Probability in Science Science eliminates possibilities
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Probability in Science Science eliminates possibilities
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Evolution
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Evolution Change over time
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Why isn’t “Intelligent Design” taught in most science Classes?
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