During  a  field  trip,  an  instructor  touched  a  moth  resting  on  a  tree  trunk.  The  moth  raised  its  forewings  to  reveal large eyespots on its hind wings. The instructor asked why the moth lifted its wings. One student answered that sensory  receptors  had  fired  and  triggered  a  neuronal  reflex  culminating  in  the  contraction  of  certain  muscles.  A second student responded that the behaviour might frighten predators. Which statement best describes these explanations?

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#Question id: 12956

#Section 5: Applied Ecology & Evolution

For  nearly 200  years, biogeographers have  noted that  the  tropics  have  more terrestrial species than  temperate regions. Which of the following is NOT a plausible explanation for this pattern?

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#Question id: 11255

#Section 4: Behavioural Ecology

Antiherbivore defenses in Umbelliferous plants and the insects feeding on these plants has shown that:

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#Question id: 16899

#Section 3: Mathematics and Quantitative Ecology

Which of the following is not a possible explanation for this finding?

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#Question id: 12691

#General Aptitude

If the area of a rectangle be (x^2 +7x + 10) sq. cm, then one of the possible perimeter of it is

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#Question id: 10706

#Section 1: Ecology

Assuming community occupy by 4 species with number 10, 20, 10, 20. What is Shannon weaver index of that community?