There's a kind of rat that likes to feed on the seeds as well.
还有一种老鼠也喜欢吃种子。
The brain changes coincide with improvements in spatial memory and speedier foraging skills, which might help a mother rat protect and feed her young.
大脑的这些改变与空间记忆的增强和觅食行为的加快相吻合。这些都将帮助母鼠保护和喂养她幼崽。
After weaning, the baby rats were allowed to pick their own diet from a choice of rat feed and junk food.
在断奶后,研究者们观察了幼鼠对于饲料与垃圾食品两者之间选择的喜好。
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