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Male bowerbirds construct elaborately decorated nests, or [#permalink]
27 Apr 2008, 15:43
86% (02:15) correct
14% (02:11) wrong based on 102 sessions
Male bowerbirds construct elaborately decorated nests, or bowers. Basing their judgment on the fact that different local populations of bowerbirds of the same species build bowers that exhibit different building and decorative styles, researchers have concluded that the bowerbirdsâ€™ building styles are a culturally acquired, rather than a genetically transmitted, trait.
Which of the following, if true, would most strengthen the conclusion drawn by the researchers?
A. There are more common characteristics than there are differences among the bowerbuilding styles of the local bowerbird population that has been studied most extensively. B. Young male bowerbirds are inept at bowerbuilding and apparently spend years watching their elders before becoming accomplished in the local bower style. C. The bowers of one species of bowerbird lack the towers and ornamentation characteristic of the bowers of most other species of bowerbird. D. Bowerbirds are found only in New Guinea and Australia, where local populations of the birds apparently seldom have contact with one another. E. It is well known that the song dialects of some songbirds are learned rather than transmitted genetically.
Re: Male bowerbirds construct elaborately decorated nests, or [#permalink]
05 Dec 2012, 07:24
Having also looked at the answer, so it makes the question easier. The assumption that has to be made is something that would undermine something being 'genetic' - so something genetic is done automatically. Cultural you have to observe/be taught so something like that will be right.
That works here with B
Former GMAT Pill student, now on staff. Used GMATPILL OG 12 and nothing else: 770 (48,48) & 6.0