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10 Cards in this Set
- Front
- Back
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cell |
the basic unit of structure and function in living things |
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tissue |
a group of similar cells that perform a specfic function
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organ |
a structure that is composed of different kinds of tissue |
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adaptation |
a characteristic that helps an organism survive or reproduce in its environment
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sexual reproduction |
the process by which a new organism develops from the joining of two sex cells
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fertilization |
the joining of an egg cell and a sperm cell
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asexual reproduction |
the process by which a single organism produces a new organism identical to itself |
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phylum |
one of about 35 major groups into which biologists classify members of the animal kingdom
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vertebrate |
an animal that has a backbone |
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invertebrate |
an animal that has no backbone |
