Which of the following is considered by ecologists a measure of the ability of a community either to resist change or to recover to its original state after change?

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#Question id: 16869

#General Aptitude

Hardly had he left ………. his brother came.

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#Question id: 12579

#Section 5: Applied Ecology & Evolution

Which of the following probably contains the highest concentration of toxic pollutants (biological magnification)? 

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#Question id: 10603

#Section 2: Evolution

The population size of a bird increased from 600 to 700 in one year. If the per capita birth rate of this population is 0.50, what is its per capita death rate?

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#Question id: 12094

#Section 1: Ecology

Which of the following plant groups is now extinct?

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#Question id: 11642

#Section 4: Behavioural Ecology

To obtain optimal yield, populations should be harvested at what part of the sigmoid growth curve ?