Betty is about to complete a laboratory task that involves watching the placement of specific numbers of items into a bucket with a false bottom. Some of the items go into the false bottom, and some stay in the main part of the bucket for Betty to find. If Betty is a mongoose lemur, and she sees two items go into the bucket but finds only one item when she reaches in, what will Betty do next?
A) She will do nothing. She will be contented with finding one item.
B) She will do nothing. She cannot tell the difference between one item and two items.
C) She will keep searching, regardless of the number of items she saw.
D) She will keep searching until she finds the second item.

Question

Quizplus · Accepted Answer

Mongoose lemurs, like many primates, can track the number of items they see being placed in a location and will search until they find the expected number of items, indicating an understanding of basic quantities.

Betty Is About to Complete a Laboratory Task That Involves