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Cheli. 1 i Subphylum CHELICERATA i Questo subphylum dartropodi i fa parte dei Merostomata i, oggi rappresen- tati da soli tre generi, che vivono in ambienti marini marginali.
Comment Citation: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed June 07, 2007 at http://animaldiversity.org.
The authors state that arthropods have the capacity of recognizing self from non-self in various defense phenomena including hemolymph clotting, phagocytosis, encapsulation, melanization and clearance of the foreign matter which must be initiated by a first step of molecular recognition.
Acari A brief introduction to the Acari or Mites. AmblypygiAn introduction to the Amblypygi or Whip Spiders. Arachnid An introduction to the Arachnida. Arachnophobia Notes on the fear of spiders. Araneae An introduction to the true spiders. Chelicerata An introduction to the Chelicerata.
very reduced abdomen - typically have 1 pair chelicerae (3-segmented), 1 pair ovigers, 4 pair walking legs, and simple eyes - unusual reproductive biology: males brood embryos on special legs (ovigers); only arthropod group with sole male parental care!
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