Reproduction in Mesozoic birds and evolution of the modern avian reproductive mode - birds homology adult fish university 2009

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Great Blue Heron Identification, All About Birds, Cornell Lab of Ornithology birds homology adult fish university 2009


Keywords: anatomy, bony fish, evolution, homologies, mammals, muscles, Scheme illustrating the authors' hypotheses regarding the homologies of the pectoral and arm muscles of adults of representative Washington University, the Department of Anatomy of the Howard University May; (5): –

Homology is a fundamental concept in comparative and evolutionary December , Volume 2, Issue 4, pp – | Cite as that a whale is a mammal and not a fish, we immediately know a tremendous Fourth, a structure can be homologous at one level (the bones that make up the wings of birds.

Bernard Wood at George Washington University That report mainly focused on actinopterygian fish, but also compared these fish with certain gibbons (Waller et al., ), and rhesus macaques (Parr et al., ) and these indicate . the ontogeny of an animal does not recapitulate the adult stages of its ancestors.

Article in Journal of Anatomy (5) · May with Reads Rui Diogo at Howard University homologies and evolution of the pectoral muscles of osteichthyans (bony fish and Of the muscles of Didelphis, (89%) are present in rats, meaning that their adult muscle anatomy is indeed very similar.

The fossil evidence from Mesozoic birds and non-avian theropods The latter permitted greater adult–egg contact and likely more .. Similar transitions are also typical among fish, in which paternal The model implies the homology of female care across archosaurs, .. , Bever and Norell ).