根据这种观点，共同的宗教信仰将我们的祖先紧密的联系在一起而成为一个团体，其成员相互协作，共同狩猎、觅食、养育后代，从而使得这一团体较之其他团体更具竞争力。

In this view, Shared religious belief helped our ancestors form tightly knit groups that cooperated in hunting, foraging and childcare, enabling these groups to outcompete others.

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运用你的想象力想出如何为你的鸟儿觅食一些喜爱的食物来款待。

Use your imagination to come up with ways in which the bird can forage for some favorite food treats.

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