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In a directed forgetting procedure, a _____ is presented during the _____ period.

Results of the artificial language experiments conducted on chimps strongly suggest that many of the chimps had mastered _____, but there is less evidence that they had mastered  _____.

Which of the following cognitive tasks is most DIFFICULT for adult chimpanzees?

All of the chimps that were taught sign language seemed to pass the test of:

Using a modified delayed matching-to-sample task, Brodbeck and Shettleworth demonstrated that food-storing chickadees were more likely to use _____ rather than _____ to select a target.

A deceased that is between the ages of 18 to 48 months was in what stage:

Chaser, the border collie, was able to learn a large number of words and also learned to:

When embalming a child (age 4-12), where should the arms be placed?

Imagine that among a certain species of bird, a warble signals danger, while a chirp signals food. This is an example of _____. 

The fact that vervet monkeys use different alarm calls to signal the approach of different predators means that they have the language ability known as  _____.