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In an Experiment (Arnott and Elwood 2007), Some Hermit Crabs

Question 8

Multiple Choice

In an experiment (Arnott and Elwood 2007) , some hermit crabs, who use empty snail shells as shelters, were induced to change their fighting strategies such that they fought harder if they were in the role of attacker, but gave up more easily when in the role of defender. In this case, this occurred because they


A) had been shown a hidden cache of higher quality shells the other crabs weren't yet aware of.
B) had lost previous arranged fights.
C) had recently eaten.
D) were carrying a shell with an unpleasantly scratchy inside surface produced by the experimenter.

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