Which of the following is not characteristic of ruderal species?

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#Question id: 3254

#Section 2: Evolution

Consider a single locus with 2 alleles which are at Hardy-Weinberg equilibrium. If the frequency of the heterozygous genotypes is 0.42, what is the frequency of one homozygote in the population?

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#Question id: 4617

#Section 2: Evolution

Which of the following is not an observation or inference on which natural selection is based?

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#Question id: 11979

#Section 1: Ecology

A female cat in heat urinates more often and in many places. Male cats congregate near the urine deposits and fight with each other. Which of the following is a proximate cause of this behaviour of increased urination?

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#Question id: 12573

#Section 5: Applied Ecology & Evolution

Which of the following conditions is the most likely indicator of a population in an extinction vortex? 

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#Question id: 12680

#General Aptitude

The perimeter of two squares are 40 cm and 24 cm. The perimeter of a third square , whose area is equal to the difference of the area of these squares, is