OG 10 66 搜索不到的

inlovesummer

66. 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 bowerbirds’ 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 bower-building styles of the local bowerbird population that has been studied most extensively

(B) Young male bowerbirds are inept at bower-building 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. B

 

答案是B, 我错在C. 原因,AS OG. C既可以支持CULTURE 影响又可以支持基因影响. 可是我还是不太明白. C 结合文中的已有的条件.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 不是正好证明是CULTURE影响吗．　看上去真的很象文章已有条件的加强啊．不知哪位高手可以解答.

gonghao

c没什么关系

科学家是通过对不同地区同一种鸟的比较，得出得结论

现在C说得是most other species 没什么关系

不同种得鸟，和现在这种鸟有差别是很正常得，可能是本身两种鸟基因不同，也可能是culture得影响

所以C没什么关系。same species 和other species

inlovesummer

真是不好意思,这个题目再打搅大家.我是对A不明白.为什么A不对呢.

caterpillarcn

A是无关项，local bowerbirds share more common characteristics than differences in bower building styles.这个可以是学来的，也可以是遗传的。
所以不可以证明building styles是学来的