Sentence examples for birds derived from from inspiring English sources

Pleurocoels, pneumatic neural arches, and costal pneumatocoels closely match those in extant birds derived from diverticulae of the cervical air sacs.

Wild-type ISA Brown layer birds, and constitutive EGFP-expressing birds derived from the same genetic background [ 18] were obtained from the National Avian Research Facility at The Roslin Institute, Edinburgh.

We discovered that the current mitochondrial DNA genetic make-up of the argentatus showed clear signs of past hybridisation between birds derived from different ancestral refugia, although no definite geographic scenario could be reconstructed for this reticulation because of insufficient sampling in our previous study.

Many practitioners of this method proclaim that birds derive from theropod dinosaurs (Forster et al.[1998], Hu et al.[2009], Xu et al.[2011]).[2011]

Offspring were screened for GFP fluorescence to identify birds deriving from the PGCs.

Modern birds derive from theropod dinosaurs.

Several lines of evidence indicate that the two clusters found in mammals (and other vertebrates such as birds) derive from an ancestral Irx cluster as a consequence of a chromosomal duplication event [ 3, 13, 14].

Oddly, birds are derived from the "lizard-hipped" dinosaurs and not from the "bird-hipped" ornithischian dinosaurs.

"If birds are derived from dinosaurs, then we would predict we would see that same structure we see in birds".

"That alone doesn't prove birds are derived from dinosaurs," he said.

These fossils "provide the best evidence to date that birds were derived from theropod dinosaurs," says Peter Wellnhofer, a paleontologist at the Bavarian State Collection of Paleontology and Historical Geology in Munich.