Words similar to arthropods

Example sentences for: arthropods

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Because the use of a short branch nematode ( Trichinella ) resulted in a tree whereby nematodes clustered with arthropods, the basal position of nematodes in typical 18S analyses has been interpreted as long-branch attraction [ 3 ] .
Although many other aspects of animal phylogeny remain unresolved, our results indicate that insects (arthropods) are genetically and evolutionarily closer to humans (vertebrates) than to nematodes.
, a parasite of arthropods, show the selection pressure that intracellular passengers can exert (see also the primer by Wernegreen in the March issue of PLoS Biology ). And cellfusion experiments hint that biparental inheritance of organelles does indeed cause problems, says Hurst.
The traditional view is that arthropods are more closely related to annelids than to nematodes, but some recent molecular phylogenies place nematodes and arthropods together in a high-level taxon named Ecdysozoa, which does not include annelids [ 24 25 ] . Other molecular studies give conflicting results [ 26 27 ] . Regardless of the evolutionary relationship between Nematoda and Arthropoda, C. elegans and Drosophila remain useful and valid models for our analyses, and the relationships shown in Figure 1are consistent with both hypotheses.
Moreover, the molting cuticles of arthropods (chitin) and nematodes (collagen) are not homologous [ 4 ] . The significance of other morphological characteristics bearing on the position of nematodes continues to be debated [ 26 ] .