下列动物的行为中,属于先天性行为的是     (     )     A.

下列动物的行为中,属于先天性行为的是         

    A.公鸡报晓       B.老马识途    C.狗辨主客       D.鹦鹉学舌

答案

A解析:先天性行为是指动物生来就有的,由遗传物质决定的行为。公鸡报晓是公鸡生来就的,不是后天学习获得的,“报晓”这种行为是先天性行为。老马识途、狗辨主客、鹦鹉学舌都是动物在后天的生活过程中,经过人们的驯化,或是从生活经验中获得的,是后天形成的学习行为。学习行为不是群体中所有个体都有的。

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