Sentence examples for morphological gap between from inspiring English sources

Where these differences were extreme, an intermediate pupal stage evolved to bridge the morphological gap between larva and adult.

He then selects birds with slightly longer beaks in that generation, and continues to do so in subsequent generations until there is a pronounced morphological gap between the selected group and the original stock.

A recently described fossil – †Protoxenos janzeni – the most archaic strepsipteran, sheds new light on the early evolution of the group and reduces the "morphological gap" between Strepsiptera and other insects.

We present here the first tooth cusp nomenclatural system for duplicidentates that spans all living and extinct species and is based on well-resolved phylogenies and the examination of fossils that bridge the morphological gap between tribosphenic teeth and typical lagomorph teeth.

The Jurassic species bridge the morphological gap between Osmundastrum and Osmunda subgenus Osmunda sensu Miller, with O. pulchella being the species closest to Osmundastrum.

Divergent selection occurs in future generations when organisms with even better adapted forms of that trait are selected, eventually causing pronounced morphological gaps between that group of organisms and its parent and sister groups (Darwin 1859[1964], 112ff).. Darwin illustrates this process with a number of examples.

Note that I do not recognize a distinction between subtle caudal deflection of the fibula as in states "a" and "b" of Livezey and Zusi ([64]: character 2195), as there is not a strong distinction between the morphology of taxa possessing either of these two character states, nor a clear morphological gap separating the states.

Dr. Shubin said Tiktaalik was "still on the fish end of things, but it neatly fills a morphological gap and helps to resolve the relative timing of this complex transition".

Thus, they fit neatly within both a morphological "gap", and a significant hiatus in the fossil record.

Together these principles explain the origin of new taxa and morphological gaps among taxa.

High-definition optical coherence tomography (HD-OCT) is a new non-invasive technique for morphological investigation of tissue with cellular resolution filling the imaging gap between reflectance confocal microscopy and conventional optical coherence tomography [ 9– 11].