0 a main division in a taxonomic (= scientific naming and organization system) relating to animals: --
1 one of the groups into which animals are divided, mainly based on the shape of the animal's body and the way that the body is arranged --
A century and a half on, the mystery of mysteries may have inflated to the origin of phyla, but the approach remains very much the same.
Hence, phylum-level conclusions on function should be drawn cautiously.
Since the sampling method used here mitigates the effects on the sample of the postulation of large phyla, this criticism hardly affects the constitution of our sample.
The model systems reported on for dormancy research from other kingdoms included the tardigrades (or waterbears), a fascinating phylum of approximately 750 species.
Over the years, we noticed that he was working his way through smaller species and then down the phyla of the animal and insect kingdoms.
Even at the level of family or phylum, progress is painfully slow.
Eggs may in some cases be partially or totally activated by spermatozoa from a different species or, indeed, phylum.
The free-living planaria tissue section was used as a negative control, because this organism belonged to the same phylum.
