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24 Cards in this Set
- Front
- Back
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Organisms
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Living Things
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Unicellular
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Organisms with one cell which takes care of all tasks to live
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Multicellular
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Organisms made up of many cells, each with a specific task
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Stimulus
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Change in an organism's environment that causes it to react in some way
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Response
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The action or change in behavoir an organism takes as reaction to a stimulus
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Spontaneous Generation
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Mistaken theory that living things arise form non living sources.
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Autotrophs
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Organisms that are able to create their own food
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Heterotrophs
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Organisms that cannot create their own food
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Homeostasis
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To maintain stable internal conditions despite changes in surroundings
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Classification
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To group organisms based on similarites
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Species
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A group of similar organisms that can mate and reproduce
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Eukaryotes
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Organisms with cells that have nuclei
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Prokaryotes
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Organisms with cells that have no nuclei
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Cellular organization
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Characteristic, must have cells (building blocks)
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Similar Chemical Composition
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Characteristic, all cells must be made of similar chemicals (carbs, proteins, nucleic acid, etc.)
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Use Energy
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Characteristic, cells must use energy to complete tasks
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Growth
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Characteristic, the process of becoming larger
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Development
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Characteristic, process of becoming more complex
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Response
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Characteristic, must be able to respond to stimuli
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Reproduce
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Characteristic, must be able to produce similar offspring
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Energy
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Need, Food is energy source, nutrients are needed
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Water
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Need, Can dissolve chemicals (especially oxygen into blood) help obtain chemicals from surroundings, break down food, grow, move substances, reproduce
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Living Space
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Need, Place to get food, water, shelter
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Stable internal conditions
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Need, homeostasis
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