Adult female rats who have never before encountered rat pups will start to show matural behaviors after being confined with a pup for abour 7 days.This period can be shortened by disabling the female's sense of smell or by removing the scent-producing glands of the pup. . Which of the following hypotheses best explains the contrast described above? 答案是:The development of a female rat's maternal interest in a rat that she didn't bear is inhibited by the odour of the pup 。 我不明白问题什么意思啊?还有为什么是这个答案啊?谢谢高人帮助我!快考试了,我好急啊!
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