collection wiki:
mon usage, a collection is any group of items that has one or more properties in common, usually brought together for some specific purpose. See Collecting and Collectibles.The term can also be used more specifically:In mathematics, collection is not precisely defined, but can refer to various objects. Most often it refers to a set, class, family, or multiset.In museums and art galleries, the collection of objects in a particular field forms the core basis for the museum. In music, specifically diatonic set theory, a collection is similar to a tone row; see generated collection.In a church the collection is the money collected from the congregation during a service. The congregation normally place their donation into a collection plate or bag which is passed around and returned to the priest. Collection (Oxford Colleges) â college examinations in the University of Oxford.
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fish wiki:
>For other uses, see Fish (disambiguation). Conodonta HyperoartiaPetromyzontidae (lampreys) Pteraspidomorphi (early jawless fish) Thelodonti Anaspida Cephalaspidomorphi (early jawless fish)GaleaspidaPituriaspidaOsteostraci Gnathostomata (jawed vertebrates)PlacodermiChondrichthyes (cartilaginous fish)AcanthodiiOsteichthyes (bony fish) Actinopterygii (ray-finned fish)Sarcopterygii (lobe-finned fish)Actinistia (coelacanths)Dipnoi (lungfish)
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