Sentence examples for morphological variation has from inspiring English sources

Similar morphological variation has been well reported [31].

Considerable morphological variation has been observed within genera and even within species [4], [5].

This complex, which is known for its large morphological variation, has a complex demographic and altitudinal variation in elytral reticulation.

In support of the postglacial expansion hypothesis, recent divergence with extensive morphological variation has, for example, been documented in several bird species [10] [13].

In support of this hypothesis, recent divergence with extensive morphological variation has, for example, been documented in several bird species; redpolls (Carduelis flammea; [10]; but see [47]), yellow wagtails (Motacilla flava; [11]), yellow-rumped warblers (Dendroica coronata; [12]), willow warblers (Phylloscopus trochilus; [48]) and dark-eyed juncos (Junco hyemalis; [13]).

Such wide morphological variation has resulted in classifications that comprise four families: 1) the "small-flowered clade" (Apodanthaceae) with Apodanthes, Berlinianche, and Pilostyles, 2) the "large-flowered clade" (Rafflesiaceae s. str).

During short-term evolution within species, most mutations that cause morphological variation have been found in protein-coding regions [ 17].

Similar instances of overlapping morphological variation have been reported between Gastrophryne and Hypopachus see review in [ 18].

Studies of phylogeny based on DNA sequence, molecular genetic marker polymorphism, and morphological variation have consistently positioned tall fescue within the Schedonorus subgenus of Festuca, and hence more closely related to meadow fescue and the Lolium species, than to F. altissima and F. ovina (Charmet et al. 1997; Clayton and Renvoize 1986; Torrecilla and Catalán 2002; Xu and Sleper 1994).

In this work a two-dimensional study of beach morphological variations has been made, related to the incident wave variations.

Although subtle morphological variations have been observed in B. harrisoni, these findings require a thorough morphological investigation to assess whether there are diagnostic morphological characters and observable physiological adaptations to acid or alkaline pH conditions which are consistent and congruent with the molecular lineages.