hir – Traduction – Dictionnaire Keybot

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  Cwestiynau a Ofynnir yn...  
Am ba mor hir mae Cepaea yn byw?
How long do Cepaea snails live for?
  Cwestiynau a Ofynnir yn...  
Teimlyddion: Dau bâr a ellir eu tynnu'n ôl, ar wyneb uchaf pen y falwen, defnyddir i alluogi'r falwen i deimlo pethau. Mae'r llygaid wedi eu lleoli ar ddiwedd y teimlyddion hir uchaf; mae'r rhai isaf yn delio ac arogl.
Tentacles: Two retractable pairs, on the upper surface of the snail's head, used to help the snail feel things. The eyes are located at the tips of the upper, long pair of tentacles; the lower pair are concerned with smell.
  Colour_and_banding_help  
Mae hyn yn raddol pilio oddi ar cregyn gwag, a gall gael ei golli hyd yn oed mewn rhai byw, yn enwedig os ydynt wedi byw ers amser hir, neu os ydynt mewn cynefin ble ceir lawer o sgrafellu (bydd malwod sy’n byw mewn twyni tywod yn cael eu taro a thywod).
This can be tricky for some specimens as colours can vary in intensity and often fades in dead, empty shells. The colour is enhanced, and slightly altered by the periostracum, the shiny, almost varnish-like outer layer on the outside of a fresh shell. It is made of material very similar to your fingernails! This gradually peels off empty shells, and may get lost even in living snails, especially if they have lived a long time, or if they are in a habitat where there is a lot of abrasion (snails living in sand dunes get literally sand-blasted).