Monday, September 3, 2012

Slayton: Homologous Structures

Andorohynchus hyacinthinus
42.094246, -71.64408

Dromaius novaehollandiae
42.094246, -71.64408

The beak of the hyacinth macaw and the beak of the emu are homologous structures reflecting common ancestry in the class Aves.

Ammotragus lervia
42.094246, -71.64408
Capra hircus
42.094246, -71.64408

The horns of the Barbary sheep and the horns of the pygmy goat are homologous structures reflecting their common ancestry in the family Bovidae and subfamily Caprinae. 

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