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Over the past 400 million years, evolution has produced a wide variety — Insect

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"Over the past 400 million years, evolution has produced a wide variety of arthropod species adapted to their environments. About 1 million of the 1.4 million described animal species on earth are insects, and millions more are believed to exist. Contrary to popular belief, of the 1 million described insect species, only 5 000 can be considered harmful to crops, livestock or human beings (Van Lenteren, 2006)."
Insect
Insect
Insect
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Insects are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body, three pairs of jointed legs, compound eyes, and a pair of antennae. Insects are the most diverse group of animals, with more than a million described species; they represent more than half of all animal species.

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