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15 Cards in this Set
- Front
- Back
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Cell theory
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All cells arise from pre-existing cells, they pass on genetic material and the cell is the basic unit of life.
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Mrs Gren
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All living things must - Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion and Nutrition
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Domains of Life
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The three domains are Archaea, Bacteria, and Eukarya.
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Kngdoms of life
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Bacteria, Protista, Fungi, Animalia, Plantae
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Archaea
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Ancient bacteria
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Bacteria
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Unicellular, Cell wall, but no nucleus
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Eukarya
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Cells have nuclei, including protists, plants, fungi, and animals
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Protista
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single-celled and primitive multicelled organisms, such as paramecium and amoeba
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Fungi
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heterotrophs, have no means of movement, reproduce by using spores.
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Animalia
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multicellular, mobile heterotrophs whose cells do not have cell walls
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Plantae
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multicellular organisms, cell walls of cellulose, that have pigments that absorb light, and are autotrophs
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Viruses
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Non-living - consist essentially of a core of RNA or DNA, unable to replicate outside a host cell.
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Tissue
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A group of similar cells that perform a specific function - liver cells, brain cells.
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Organ
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A collection of tissues that carry out a specialized function of the body - lungs, heart, kidneys.
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Body system
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A group of organs that work together to perform a specific function - circulatory system (heart, blood vessels, spleen).
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