It recovered evidence that the paleognathes are one natural group ( monophyletic ), and that their divergence from other birds is the oldest divergence of any extant bird groups.
42.
Recent molecular research, based on cladistic analysis of DNA sequences, suggests that " Gliophorus " is monophyletic and forms a natural group distinct from " Hygrocybe " sensu stricto.
43.
Eagles are not a natural group, but denote essentially any bird of prey large enough to hunt sizeable ( about 50 cm long or more overall ) vertebrate prey.
44.
Some studies recover them as a paraphyletic assemblage leading to modern paleognaths, but more recent examinations group them in a single, natural group basal to the rest of Palaeognathae.
45.
The phylogenetic analyses found that all these taxa did not form a natural group, and that some traditional " triconodonts " were more closely related to therian mammals than others.
46.
The set \ mathbb { R } / R \ mathbb { Z } has a natural group operation and the giant step operation is defined in terms of it.
47.
Some traditional " triconodonts " do seem to form a natural group ( or " clade " ), and this was given the name Eutriconodonta, or " true triconodonts ).
48.
Groupthink is sometimes stated to occur ( more broadly ) within natural groups within the community, for example to explain the lifelong different mindsets of liberals, or the solitary nature of introverts.
49.
The purchase will " increase and enrich the strategic presence of the Gas Natural Group in Colombia, allow economies of scale and reinforce its position in Latin America, " the parent company said.
50.
Ever since Thiele ( 1929 ), Neogastropoda have been considered a natural group, clearly differentiated from other Caenogastropoda . or Buccinoidea have been alternatively proposed as the sister group of the remaining Neogastropoda.
