The meaning of NON-AVIAN is not of or relating to birds : not avian. How to use non-avian in a sentence.
分析句子结构可知,an embryo和preserve之间为被动关系,第一空故用过去分词;lie和an embryo为主动关系,故用现在分词lying。故选:C。相关推荐 1Researchers who have been working on non-avian dinosaurs were surprised to see an embryo beautifully ___inside a dinosaur egg,___ in a bird-like posture.( ...
2007 . Were non-avian theropod dinosaurs able to swim? Supportive evidence from an Early Cretaceous trackway, Cameros Basin (La Rioja, Spain). Geology 35: 507 – 510 .Ezquerra, R, Doublet, S, Costeur, L, Galton, PM, Pérez-Lorente, F (2007) Were non-avian theropod dinosaurs able ...
This is only the second reported Brodie abscess in non-avian dinosaurs and the first documented occurrence in herbivorous dinosaurs. The presence of a Brodie abscess, known only in mammalian pathological literature, suggest mammalian descriptors for bone infection may be applicable to non-avian ...
分享一篇还热乎的论文,“ The accuracy and precision of body mass estimation in non-avian dinosaurs ”,作者是Nicolas Campione。 相信关注恐龙体重估算的大家对这个作者不会很陌生,他2014年发表的恐龙体重估算公式,是现在应用最为广泛的公式之一。新文章建设性的讨论和评估的在恐龙体重估算中长存的两个思路,体积...
The sex of non-avian dinosaurs has been inferred on numerous occasions using a variety of anatomical criteria, but the efficacy of none has been proven. Nearly 50 years ago Romer suggested that the cranial-most or first chevron in the tails of some reptiles, including crocodilians, is sexually...
Dinosaurs had growth rates intermediate between similar sized/scaled-up reptiles and mammals, but a much lower rate than scaled-up birds. All dinosaurian growth rates were within the range of extant reptiles and mammals, and were lower than those of birds. Under the assumption that growth rate...
dinosaurs through to modern birds. Our results suggest that most elements of a typical ‘avian-like’ karyotype (40 chromosome pairs, including 30 microchromosomes) were in place before the divergence of turtles from birds ~255 mya. This genome organisation therefore predates the emergence of early...
(2012) of the feathered meals of a fuzzy compsognathid dinosaur known as Sinocalliopteryx? I mean, we’ve known for years that dinosaurs ate other dinosaurs, right? To me, this is a fine example of how the investigative power of paleontology is growing as its knowledge base increases, ...
RELATIVE FOREBRAIN SIZE IN THEROPOD DINOSAURS, NON-AVIAN REPTILES, AND BIRDSHulburt, Grant