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Insects are invertebrate animals of the Class Insecta, the largest and (on land) most widely-distributed taxon within the Phylum Arthropoda.

Insects comprise the most diverse group of animals on the earth, with around 925,000 species described—more than all other animal groups combined.

Note:   The above text is excerpted from the Wikipedia article "Insect", which has been released under the GNU Free Documentation License.
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November 29, 2015

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