Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 19

Many animals have the ability to use sounds, smells, or gestures to exchange information; this is the ability to (a) _____. Another question is whether animals can communicate with abstract symbols; this is called (b) _____. To decide that an animal truly uses language, researchers must show that the animal has learned complex rules of (c) _____ to manipulate symbols (words or gestures) and so generate an endless number of meaningful sentences.