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Definition
the basic unit of structure and function in living things |
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Definition
a group of several different tissues |
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Definition
cells-tissue
tissue-organ
organ-system |
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Term
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Definition
a group of similar cells that perform a specific function |
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Term
Major Functions of Animals |
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Definition
- get food
- get oxygen
- keep internal conditions stable
- move
- reproduce
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Definition
structure or behaviors that allow animals to perform these basic functions in their enviroment |
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Definition
the process by which a new organism develops from the joining of two sex cells-a male sperm and a female egg (2 parents) |
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Definition
the joining of an egg cell and a sperm cell |
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Definition
the process by which a single organism produces a new organism identical to itself (1 parent) |
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Definition
classifying all animals into 35 major groups |
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Term
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Definition
an animal with a back bone |
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Definition
an animal that doesn't have a back bone |
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