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发布时间：2006-06-23 17:08     点击：

　　(B) Naked mole rat colonies exhibit social organization based on a rigid caste system.

　　(C) Behavior in naked mole rat colonies may well be a close vertebrate analogue to behavior in eusocial insect societies.

　　(D) The mating habits of naked mole rats differ from those of any other vertebrate species.

　　(E) The basis for the division of labor among naked mole rats is the same as that among eusocial insects.

　　2. The passage suggests that Jarvis' work has called into question which of the following explanatory variables for naked mole rat behavior?

　　(A) Size

　　(B) Age

　　(C) Reproductive status

　　(D) Rate of growth

　　(E) Previously exhibited behavior

　　3. It can be inferred from the passage that the performance of tasks in naked mole rat colonies differs from task performance in eusocial insect societies in which of the following ways?

　　(A) In naked mole rat colonies, all tasks ate performed cooperatively.

　　(B) In naked mole rat colonies, the performance of tasks is less rigidly determined by body shape.

　　(C) In naked mole rat colonies, breeding is limited to the largest animals.

　　(D) In eusocial insect societies, reproduction is limited to a single female.

　　(E) In eusocial insect societies, the distribution of tasks is based on body size.

　　4. According to the passage, which of the following is a supposition rather than a fact concerning the queen in a naked mole rat colony?

　　(A) She is the largest member of the colony.

　　(B) She exerts chemical control over the colony.

　　(C) She mates with more than one male.

　　(D) She attains her status through aggression.

　　(E) She is the only breeding female.

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