Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
class within thesubphylum Vertebrata — thebirds .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Each time a fossil is found to be basal to the birds, this approach would require relaxing still further the criteria for inclusion in 'Aves'.
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In cladistics, Aves is nested in Reptilia through Diapsida.
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However seeing that Aves is not nested in reptiles your strawman of my claims holds true.
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ID guy: However seeing that Aves is not nested in reptiles your strawman of my claims holds true.
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In the words of Atlanta manager Bobby Cox, "Aves is just dead."
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Beef Cattle, Poultry (also in Spanish: Aves de Corral), and Dairy Cattle.
9: Domestic animals 1996
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Actually, the pizza place on St. Marks between 2nd and 3rd Aves. is $1/slice.
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Ultimately, as more transitional forms are found, the definition of 'Aves' would become so broad as to include all dinosaurs; as basal dinosaurs are described, the definition of 'Aves' would have to be extended still further to incorporate all reptiles … and so on – the logical conclusion, in the presence of a complete fossil record, would be that the definition of 'Aves' would be relaxed so far that it would include all life.
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Since modern birds are not descended from Archaeopteryx, and Archaeopteryx has characters which no living birds possess, it could not be included within the existing taxon 'Aves'.
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The Linnaean system would define the taxon 'Aves' to include all modern birds, and base this taxon on a number of shared characteristics.
Comments
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