Multiple Choice
In testing a hypothesis that "territorial defence in European robins is a fixed action pattern that is released by the sight of orange feathers," researchers found that robins defended their territory by attacking anything that was of similar size and had an orange patch. How would you show that it was indeed colour that initiated the defence responses?
A) Repeat the experiment removing the orange patch.
B) Repeat the experiment using other shapes.
C) Repeat the experiment with giant specimens.
D) Repeat the experiment using live specimens.
Correct Answer:
Verified
Correct Answer:
Verified
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