| 1. | The phylum Arthropoda contains numerous taxonomic orders in over 20 classes.
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| 2. | Band / Volume IV Arthropoda : Insecta Teilband / Part 35 : 491 pp.
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| 3. | Arthropoda include insects, crustaceans and arachnids.
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| 4. | The phylum is placed along with the Ecdysozoa clade of moulting organisms that include the Arthropoda.
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| 5. | They both belong, however, to the Phylum Arthropoda-- the joint-legged animals.
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| 6. | In the typical body segment of an insect or many other Arthropoda, there are four principal regions.
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| 7. | Velvet worms are considered close relatives of the Arthropoda and Tardigrada, with which they form the taxon Panarthropoda.
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| 8. | :" Onychophorans can be considered highly evolved annelids, adapted to terrestrial life, which announced prophetically the Arthropoda.
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| 9. | Insects and other arthropoda such as spiders are caught on the ground and then held down with the forefeet and eaten.
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| 10. | The Arthropoda, Onychophora, and Tardigrada have been grouped together as the Panarthropoda because they are distinguished by segmented body plans.
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