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12 Cards in this Set
- Front
- Back
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Cell
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The basic unit ofstructure and function in living things.
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Tissue
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A group of similar cells that perform a specific function
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Organ
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Tissues may combine to form an organ, which is a group ofseveral different tissues.
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Adaptation
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Structures or behaviors that allow animals to perform these basic functions in their environments.
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Sexual Reproduction
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The process by which a new organismdevelops from the joining of two sex cells—a male sperm celland a female egg cell.
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Fertilization
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The joining of an egg cell and a spermcell
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Asexual Reproduction
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The process by which a single organ-ism produces a new organism identical to itself.
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Phylum
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Ranks above class and below kingdom
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Vertebrate
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Animals with a backbone
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Invertebrate
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Animals without a backbone
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Bilateral Symmetry
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One linethat divides it into halves that are mirror images.
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Radial Symmetry
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Many lines of symmetrythat all go through a central point.
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