This activity (on page 2 of the PDF) is a full inquiry investigation into dogs' ability (or inability) to see color. Learners conduct an experiment by first performing a control test and then experimenting to see if dogs are able to fetch colored balls amid a background of gray balls. Learners collect, record, and graph the data to draw conclusions about colorblindness in dogs. Relates to linked video, DragonflyTV: Colorblind Dogs.
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