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Crynodeb
DisgrifiadPwdre ser - a slime mould^ - geograph.org.uk - 1024172.jpg
English: Pwdre ser - a slime mould? There had been a lot of correspondence with the Radio Scotland "Out of Doors" programme about jelly found on the hill. Here is a typical sample. Folklore has it that its is of meteoric origin, hence the Welsh name Pwdre Ser or star rot. It could be one of many species of slime mould, an unusual group of organisms, which at certain times in their life cycle form giant cells. Normally microscopic, amoeba like cells join up to form giant multi-nucleated cells. Each glob of jelly here is a single cell.
Traditionally classified as fungi, but now shifted out of the way into their own kingdom, these blobs and their microscopic originators move.
However much correspondence suggests that this is the unpalatable jelly from frog ovaries - the stuff that prevents frog spawn from being eaten. Predators eat the rest of the frog, but not the jelly. Fungal DNA has been found in the jelly, but this is probably decomposition fungi growing on the jelly.
This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Richard Webb and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
rhannu – gallwch gopïo, dosbarthu a throsglwyddo'r gwaith
ailwampio – gallwch addasu'r gwaith
Ar yr amodau canlynol:
cydnabyddiaeth – Mae'n rhaid i chi nodi manylion y gwaith hwn, rhoi dolen i'r drwydded, a nodi os y bu golygu arni, yn y modd a benwyd gan yr awdur neu'r trwyddedwr (ond heb awgrymu o gwbl eu bod yn eich cymeradwyo chi na'ch defnydd o'r gwaith).
rhannu ar dermau tebyg – Os byddwch yn addasu'r gwaith hwn, neu yn ei drawsnewid, neu yn adeiladu arno, mae'n rhaid i chi ddosbarthu'r gwaith dan drwydded sy'n union yr un fath same a'r gwreiddiol.
== {{int:filedesc}} == {{Information |description={{en|1=Pwdre ser - a slime mould? There had been a lot of correspondence with the Radio Scotland "Out of Doors" programme about jelly found on the hill. Here is a typical sample. Folklore has it that its
Cysylltiadau'r ffeil
Mae'r 1 tudalennau a ddefnyddir isod yn cysylltu i'r ddelwedd hon:
Mae'r ffeil hon yn cynnwys gwybodaeth ychwanegol, sydd mwy na thebyg wedi dod o'r camera digidol neu'r sganiwr a ddefnyddiwyd i greu'r ffeil neu ei digido. Os yw'r ffeil wedi ei cael ei newid ers ei chreu efallai nad yw'r manylion hyn yn dal i fod yn gywir.