The new study, a collaborative effort by groups led by Professor Gert Wörheide (Chair of Paleontology and Geobiology at LMU) and Dr. Davide Pisani (Bristol University, UK) reaffirms the traditional view that the sponges were
the first phylum to diverge from the common ancestor of metazoans.
Not exact matches
Obviously it is much more difficult for us to imagine the
first appearance of reflective thought at some point in the history of a
phylum or race made up of different individuals than at some point in the series of states making up the life of one and the same embryo.
In this new form, and having lost nothing of its physical reality (indeed, as much superior to its
first state as the Noosphere is superior to the simple, isolated
phylum) it acquires, by becoming exterior to the individual, an incomparable substance and capacity.
Phyletic in the
first place: every species (or group of species) formed a sort of shoot (or
phylum) which was obliged to evolve «orthogenetically» (The word «orthogenesis» is here used in its widest sense: A prescribed orientation offsetting the effect of chance in the play of heredity.»)
The initial phases of animal evolution proceeded faster than hitherto supposed: New analyses suggest that the
first animal
phyla emerged in rapid succession — prior to the global Ice Age that set in around 700 million years ago.
An international research team identifies for the
first time a key enzyme for the synthesis of glycoconjugates (sugars linked to other molecules) in Plasmodium falciparum and other intracellular parasites belonging to the large
phylum Apicomplexa.
Whitehead Institute researchers have conducted the
first genome - wide screen in Apicomplexa, a
phylum of single - celled parasites that cause malaria, babesiosis, cryptosporidiosis, and toxoplasmosis.
In the
first variation, a set of features useful for diagnostics associated with Hashimoto's Thyroiditis includes features derived from one or more of the following taxa: Moryella (genus), Oscillospira (genus), Lactobacillus (genus), Lactobacillaceae (family), Oscillospiraceae (family), Actinobacteria (class), and Actinobacteria (
phylum).
This lesson's key points are not «accurately and appropriately derived from the objective» because they only relate to the
first objective, «SWBAT identify, list, compare, and contrast the characteristics of the
phylum Chordata, Subphylum, and Vertebrata (Fish, Amphibians, and Reptiles)» and not the second, «SWBAT explain the evolutionary process from Chordata to Subphylum to Vertebrata.»
With its formal description in 1995, Symbion pandora, discovered living on the mouthparts of Norwegian Lobsters (Nephrops norvegicus) in the North Atlantic, became the
first species described and placed in the new
phylum Cycliophora (Funch and Kristensen 1995).