The relation between exposure and disease is considered to be causal or etiological in the following, except

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#Question id: 12261

#Section 2: Evolution

When a person removed the predator Pisaster from rocky intertidal areas, the diversity of prey animals changed from 15 to __________. 

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#Question id: 12262

#Section 2: Evolution

The myxoma virus was introduced to Australia to control an outbreak of which of the following pests? 

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#Question id: 12264

#Section 2: Evolution

You discover several species of unpalatable insects that closely resemble each other. You propose that this is an example of __________ mimicry. 

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#Question id: 10751

#Section 2: Evolution

Possible interaction between populations in following manner ,which of the following best represent for negative ineteracion ?

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#Question id: 10864

#Section 2: Evolution

Which of the following represent ways in which two ecologically similar species can avoid competing with each other?

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#Question id: 11174

#Section 2: Evolution

Why might a peahen choose to mate with a peacock with a long, gaudy tail?