To estimate the number of foxes m an area, a researcher conducted a mark-recapture survey. In the fast survey, he caught and marked 90 foxes. In his second survey a week later, he caught 120 foxes of which 40 were marked (recaptures). If you are told that the actual number of foxes in this area is 400, which of the following is a plausible explanation for the anomaly in the researcher's data? 

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#Question id: 7455

#General Aptitude

At what time after 4 O’ clock, the hour and time minute hands will Lie opposite to each other ?

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#Question id: 4951

#Section 2: Evolution

The synthesis of new DNA requires the prior existence of oligonucleotides to serve as primers. On Earth, these primers are small RNA molecules. This latter observation is evidence in support of the hypothesized existence of

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#Question id: 9198

#Section 5: Applied Ecology & Evolution

Tropical forests are being converted to farm or pasture land at an alarming rate, and one major focus is on the biodiversity and the impact to these ecosystems. What is a direct benefit to humans that helps explain why these forests need to be preserved?

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#Question id: 10579

#Section 2: Evolution

The following graph is growing population, which of the following represent growth pattern?

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#Question id: 10728

#Section 1: Ecology

Following table shows the number of individuals of different species in two communities, X and Y. Use Jaccard index determine the degree of similarity between X and Y community?