In a typical Mendelian population, individuals carrying gene ‘a’ in homozygous condition suffer from phenylketonurea. Those with A in homozygous condition are normal. Others, who are heterozygotic with Aa, are carriers. If the frequency of ‘a’ in a population is 0.20, what is the percentage of normal individual in the population?

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#Question id: 10827

#Section 1: Ecology

A barnacle grows on a whale, doing it no harm. This is an example of

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#Question id: 11175

#Section 1: Ecology

Leks

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#Question id: 10576

#Section 1: Ecology

There is a species with following feature Low dispersion, late breeder, high investment in care for the young.Which of the following above feature showing growth pattern and survival ship curve?

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#Question id: 12584

#Section 5: Applied Ecology & Evolution

Which of the following causes excessively high levels of toxic chemicals in fish-eating birds? 

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#Question id: 10868

#Section 2: Evolution

Which of the following relationships describes competition?