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Definition
| a membrane covered structure that contains all of the materials necessary for life |
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Definition
| a group of cells that work together to perform a specific job in the body |
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Definition
| 2 or more tissues work together to perform a specific job |
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Definition
| organs work together in groups to perform particular jobs |
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Definition
| anything that can live on its own |
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Term
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Definition
| a single cell living on its own |
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Definition
| exist only as a group of cells |
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Definition
| group of organisms that are of the same kind and that live in the same area |
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Definition
| 2 or more populations living in the same area |
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Definition
| the community and all of the nonliving things that affect it |
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Term
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Definition
| a barrier between the inside of the cell and the cell's enviornment |
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Term
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Definition
| chemicals and structures that enable the cell to live, grow and reproduce |
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Definition
| fluid surrounding the chemicals and structures of a cell |
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Definition
| cells that do not have a nucleus |
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Term
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Definition
| cells that have a nucleus |
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Term
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Definition
| the world's smallest cells and they do not have a nucleus |
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