The finding that the presence or absence of manure at the entrance of the nests of burrowing owls made no difference in the probability of predation of the nest most clearly contradicts which of the following hypotheses?
A) Mate attraction
B) Sign that burrow is occupied
C) Olfactory camouflage
D) Prey attraction

Question

Quizplus · Accepted Answer

The hypothesis most clearly contradicted is that manure is used for olfactory camouflage to protect the nest from predators. If the presence or absence of manure made no difference in predation rates, it suggests that manure does not function to mask the scent of the owls or their young from predators.

The Finding That the Presence or Absence of Manure at the Entrance