Which of the following, if any, is impossible for the parrot Alex?
A) Form concepts.
B) Count.
C) Name colors.
D) All of the other choices are possible for Alex to do.

Name: Which of the following, if any, is impossible for the parrot Alex? A) Form concepts. B) Count. C) Name colors. D) All of the other choices are possible for Alex to do.
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Question

Quizplus · Accepted Answer

There is evidence that Alex was able to form concepts, count, and name colors, so all of the other choices (A, B, and C) are possible for him to do.

Which of the Following, If Any, Is Impossible for the Parrot