A mongoose lemur sees two halves of a grape put into a bucket. He is then allowed to retrieve the halves of the grape from the bucket. If he retrieves a whole grape from the bucket instead, the lemur will:
A) continue searching for the two half grapes.
B) continue searching for another whole grape.
C) stop searching because he cannot tell the difference between numbers of items.
D) stop searching because the correct volume of food was found.

Question

Quizplus · Accepted Answer

Mongoose lemurs have been shown to have some understanding of quantity and object permanence. If the lemur retrieves a whole grape instead of the two halves, it may continue searching for the two halves because it expects to find the specific items it saw being placed in the bucket.

A Mongoose Lemur Sees Two Halves of a Grape Put