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Levels of Organization Mr. Pruett Biology Sumner HS
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Theme: Organization “The whole is greater than the sum of its parts”
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I love my bikes Trek 2300 Road Bike Novara Ponderosa (“custom build”)
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Bike Comparison How are they used? What is similar about them? What is different about them?
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Tire Comparison How are they used? What is similar about them? What is different about them?
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Parts vs. Whole How will I perform on a bike ride with just a tire?...just a wheel?...just handlebars? What do I need for a bike ride? All of the parts, properly working together...
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Levels of Organization One of the things that characterizes life it its many levels of organization. Work alone for 3:00 using note/scratch paper Goal: make a list, from small (atoms) to large (the biosphere) of the levels of organization that involve living things. Start with atoms, then ask yourself, “What do atoms combine to form?” I have 11 levels...
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Atoms Molecules Polymers Organelles Organs Organism/Individual Populations Communities Ecosystems Biosphere Cells
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Atom: The smallest piece of unique matter. Ex: Carbon, Hydrogen, Oxygen, Nitrogen Molecule: Various combinations of bonded atoms. Ex: Carbon dioxide (CO 2 ), water (H 2 0), carbohydrate (C 6 H 12 O 6 ) Polymers: chains of repeating molecule units linked together Ex: Glycogen, proteins, DNA/RNA Levels of Organization
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Organelles: specialized structures inside cells with specific jobs. Ex: Nucleus, mitochondria, lysosome Cells: basic building block of living things. Ex: Nerve cells, muscle cells, skin cells. Organs: Combinations of tissues to form structures with specialized function for the body. Ex: Brain, heart, kidney, pancreas, leaves Levels of Organization
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Organism: A single, living individual. Ex: Human (homo sapiens) Populations: the number of organisms from one species in an area. Ex: the number of marmots on Mt. Rainier. Levels of Organization
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Community: all of the different species interacting in an area. Ex: all of the trees, insects, birds, mammals, etc. on Mt. Rainier. Ecosystem: all of the living and non-living things that interact in an area. Ex: the Mt. Rainier community plus the air, water, soil, etc. Levels of Organization
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Biosphere: Ex: all of the ecosystems (or places where living things are found ) on the planet. Levels of Organization
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