Animals appear to be amazingly skilled at making fine discriminations and can, for instance, use complex stimuli as a basis for controlling their behavior. Studies have shown that __________.
A) pigeons can discriminate between pictures showing trees and pictures not showing trees
B) pigeons can discriminate between a leaf-covered tree or a tree bare of leaves
C) pigeons can discriminate between two humans wearing different clothes
D) all of the above answers are correct

Question

Quizplus · Accepted Answer

All of the above answers are correct. Research has shown that pigeons are capable of discriminating between pictures of trees and pictures without trees, trees with leaves and trees without leaves, and between humans wearing different clothes. This highlights the impressive ability of animals to make fine discriminations based on complex stimuli.

Animals Appear to Be Amazingly Skilled at Making Fine Discriminations