In a experimental invertebrate population the birth rate is 1200 per 1000 and death rate is 300 per 1000 per generation. Initial population size is 10000. What is value of NET reproductive rate?

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#Question id: 16791

#Section 3: Mathematics and Quantitative Ecology

The mode of a distribution is 24 and the mean is 60. What is its median? 

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#Question id: 10824

#Section 2: Evolution

Interspecific competition has been demonstrated experimentally in

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#Question id: 9202

#Section 2: Evolution

Which of the following statements regarding extinction is accurate?

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#Question id: 10836

#Section 2: Evolution

Which of the following is an example of a plant morphological defence?

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#Question id: 3267

#Section 2: Evolution

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?