Sentence examples for based on external morphological from inspiring English sources
The size at sexual maturity, based on external morphological features, can sometimes be misestimated when the curves for immature and mature specimens overlap (Somerton, 1980a, 1980b).
Based on external morphological characteristics and boundaries, channel systems are comprised of a weakly confining type and a non-confining type.
The species P. cristiceps was originally described based on external morphological characteristics as well as some skeletal features [3].
Bats were identified to species based on external morphological characteristics as described in regional faunal manuals [26], [27] adopting revised taxonomy for Myotis occultus [28] and Parastrellus hesperus [29].
Species were identified based on external morphological characters using identification keys [ 26- 29].
The systematics of the monophyletic Maldanidae is primarily based on external morphological features of the head, pygidium, and setae [ 13, 14].
We found that increasing the number of specimens analyzed during biodiversity surveys through the implementation of a liberal sorting strategy that is not reliant on morphospecies exposed additional diversity that was not originally appreciated by collectors based strictly on external morphological characteristics.
The calculation of pairwise PST was based on the external morphological measurements only because internal organ sizes contributed relatively little to among population differences and because variation in these traits was not assessed for any genetic component (Keeley et al. 2005, 2007).
Other studies based on osteological and external morphological characters failed to support this relationship, suggesting instead that Acrobrycon is most closely related to Mimagoniates, Pseudocorynopoma, and Diapoma [ 4, 8].
