Some biologists urge the collection of the few remaining individuals of some of the most threatened amphibian species in order t
o preserve them if they become extinct in the wild. If such captive-breeding programs could produce thousands of individuals from just a few of the remaining survivors, the species will still be threatened because of ________.
The bottleneck effect is the sharp in the population size due to the fact of the environmental changes such as the famines and the floods and the diseases and other events that lead to the variation in the gene pool s and thus a reduction of the species with a smaller remaining genetic diversity. The genetic drift causes the bottlenecks and this can create a random alternation of the alleles and leads to the loss of the species.
New land system of the British ruler also created a serious impact on the Indian economy.the East India Company rule, the company administrators imposed land revenue at exorbitant rates
Pluralist theory in political science view that there are different no governmental groups that compete with each other to influence policy-making. Therefore there is no single elite or well-educated groups who exert pressure on decision making but democratic power is dispersed among different pressure groups.