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Elephant, a very large animal with a long flexible nose to pick up things, li
Elephant, a very large animal with a long flexible nose to pick up things, li
游客
2023-09-18
12
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问题
Elephant, a very large animal with a long flexible nose to pick up things, live in layered societies. The basic family unit is formed of small groups of adult females, who are related to each other, and their young of both sexes. The females remain in their families for life. They’re highly social, but male elephants leave their families at about 14 years of age. They travel alone or gather round in small, loose groups with other males, occasionally joining a family on a temporary basis.
When males are ready to mate, they wander widely, searching for receptive females.
The family unit, on the other hand, often contains three generations, and it can remain stable for decades, or even centuries. Then each family associates with between one and five other families, probably consisting of their more distant relatives. Scientists call these groups of families"
bond
groups" , and bond groups belong, in turn, to even larger groups, called clans.
So elephants have a complex social structure. And like other social animals they have to be able to communicate. [br] Which kind of elephant can remain in their family unit for life?
选项
A、Adult females.
B、Young females.
C、Young males.
D、Adult females and their young females.
答案
D
解析
推理判断题。根据文章第一段内容,成年雌象终生在象群里,成年雄象离开象群,小象由象群抚养长大,14岁后雄象离开象群,故应选D项。
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