Cunfruntu tra virsioni di "Mammalia"

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'''Mammalia''' è na [[Classi (bioluggìa)|classi]] di l'[[armali]] [[virtibrati]] chi cumprenni li [[mammìfiri]]. St'armali sunnu carattirizzati dâ prisenza di [[mammary gland]]s, which in [[female|females]] produce [[milk]] for the nourishment of young; dâ prisenza di [[capiddi]] o [[fur]]; and endothermic or "[[warm-blooded]]" bodies. The brain regulates endothermic and [[Circulatory system|circulatory]] systems, including a four-chambered [[heart]]. Mammals encompass some 5,500 [[species]], distributed in about 1,200 [[genus|genera]], 152 [[Family (biology)|families]] and up to 46 [[Order (biology)|order]]s, though this varies with the [[scientific classification|classification scheme]].
 
[[Category:Mammìfiri]]
 
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