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Spider behavior
Spider behavior refers to the range of behaviors and activities performed by spiders. Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms〔Sebastin, P.A. and Peter, K.V. (eds). (2009). ''Spiders of India.'' Universities Press/Orient Blackswan. ISBN 978-81-7371-641-6〕 which is reflected in their large diversity of behavior.
==Diet==
A herbivorous species, ''Bagheera kiplingi'', was described in 2008,〔Meehan, C.J., Olson, E.J., Reudink, M.W., Kyser, T.K. and Curry, R.L., (2009). Herbivory in a spider through exploitation of an ant–plant mutualism. ''Current Biology'' 19: R892–3. doi:10.1016/j.cub.2009.08.049. PMID 19825348.〕 but all other known species are predators, mostly preying on insects and on other spiders, although a few large species also take birds and lizards. Spiders' guts are too narrow to take solids, and they liquidize their food by flooding it with digestive enzymes and grinding it with the bases of their pedipalps, as they do not have true jaws.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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