Y gwahaniaeth rhwng diwygiadau o "Llyngyren gron"

Lleihawyd o 28 beit ,  3 mis yn ôl
cau bylche
(manion)
Tagiau: 2017 source edit
(cau bylche)
Tagiau: 2017 source edit
 
 
Ceir dros 60 biliwn Nematod ar gyfer pob [[bod dynol]], gyda'r dwyseddau uchaf i'w gweld mewn coedwigoedd twndra a boreal.<ref name=":0">{{Cite journal|last=van den Hoogen|first9=Wasim|archive-url=https://web.archive.org/web/20200302112231/https://gitlab.ethz.ch/devinrouth/crowther_lab_nematodes|access-date=2019-12-10|url=https://gitlab.ethz.ch/devinrouth/crowther_lab_nematodes|issn=0028-0836|bibcode=2019Natur.572..194V|pmid=31341281|doi=10.1038/s41586-019-1418-6|language=en|pages=194–198|issue=7768|volume=572|journal=Nature|title=Soil nematode abundance and functional group composition at a global scale|date=2019-07-24|last9=Ahmad|first=Johan|first8=Byron J.|last8=Adams|first7=Ron G. M.|last7=de Goede|first6=David A.|last6=Wardle|first5=Walter|last5=Traunspurger|first4=Howard|last4=Ferris|first3=Devin|last3=Routh|first2=Stefan|last2=Geisen|archive-date=2020-03-02}}</ref> Mae eu niferoedd uchel (dros miliwn o unigolion fesul metr sgwâr, tua 80% o'r holl anifeiliaid unigol ar y ddaear), eu hamrywiaeth o gylchoedd bywyd, a'u presenoldeb ar lefelau troffig amrywiol yn tanlinellu eu rôl bwysig mewn llawer o ecosystemau.<ref name=":0" /><ref name="isbn0-903874-22-9">{{Cite book|chapter=foreword|title=The phylogenetic systematics of freeliving nematodes|publisher=The Ray Society|location=London, UK|year=1994|isbn=978-0-903874-22-9}}</ref> Dangoswyd eu bod yn chwarae rhan hanfodol mewn ecosystemau pegynol.<ref>{{Cite journal|last=Cary|first8=Irfon|pmc=6377621|pmid=30793041|doi=10.1038/s42003-018-0274-5|pages=62|issue=1|volume=2|language=en|journal=Communications Biology|title=Biotic interactions are an unexpected yet critical control on the complexity of an abiotically driven polar ecosystem|date=2019-02-15|first9=Glen A.|last9=Stichbury|last8=Jones|first=S. Craig|first7=Peyman|last7=Zawar-Reza|first6=Marwan|last6=Katurji|first5=Ian D.|last5=Hogg|first4=Ashley D.|last4=Sparrow|first3=Bryan C.|last3=Storey|first2=T. G. Allan|last2=Green|issn=2399-3642}}</ref><ref>{{Cite journal|last=Adams|last9=Bottos|pmc=6377602|pmid=30793042|doi=10.1038/s42003-018-0260-y|pages=63|issue=1|volume=2|language=en|journal=Communications Biology|title=Nematodes in a polar desert reveal the relative role of biotic interactions in the coexistence of soil animals|date=2019-02-15|first9=Eric M.|first8=Charles K.|first=Byron J.|last8=Lee|first7=David W.|last7=Hopkins|last6=S. Craig Cary|first5=John E.|last5=Barrett|first4=T. G. Allan|last4=Green|first3=Bryan C.|last3=Storey|first2=Diana H.|last2=Wall|issn=2399-3642}}</ref> Cant eu gosod mewn 2,271&nbsp;[[genws]] mewn 256&nbsp;[[Teulu (bioleg)|teulu]].<ref name="n">{{Cite book|last=Roy C. Anderson|title=Nematode Parasites of Vertebrates: Their development and transmission|url=https://books.google.com/books?id=lEERbfsvP1EC|date=8 February 2000|publisher=CABI|isbn=978-0-85199-786-5|page=1}}</ref> Mae'r ffurfiau parasitig niferus yn cynnwys [[Pathogen|pathogenau]] yn y rhan fwyaf o blanhigion ac anifeiliaid ac mae traean o'r genera yn digwydd fel [[Arfilyn|parasitiaid]] o [[Fertebrat|fertebratau]]; ceir tua 35&nbsp;rhywogaethau o'r nematod sy'n byw mewn bodau dynol.<ref name="n" />
 
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== Geirdarddiad ==
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