Question R10 Q25 - NSB Round Robin 2013

A biologist hypothesizes that palatable mocker swallowtail caterpillars mimic non palatable swallowtail caterpillars. She makes hundreds of decoy caterpillars out of modeling clay to put on plants. She will count the number of decoys that are destroyed by experienced predators. How might she paint the decoys to test her hypothesis most efficiently?

W) Half to look like mocker swallowtails and half to look like non palatable caterpillars of another species

X) All to look like mocker swallowtails

Y) Half to look like mocker swallowtails and half to look like swallowtails

Z) Half to look like mocker swallowtails and half to look like palatable caterpillars of another species

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