FORESTRY
ECOLOGY AND ENVIRONMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement about human population growth is LEAST likely to be correct?
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Modern medicine has allowed human populations to extend well past the earth’s carrying capacity, as more people survive for longer.
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Technological advances in farming and medicine will allow human populations to continue to grow without natural limits.
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Advances in agriculture have allowed the world’s food supply to expand dramatically in the last 100 years.
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Worldwide, the birthrate of humans is higher than the deathrate.
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Explanation:
Detailed explanation-1: -When demographers attempt to forecast changes in the size of a population, they typically focus on four main factors: fertility rates, mortality rates (life expectancy), the initial age profile of the population (whether it is relatively old or relatively young to begin with) and migration.
Detailed explanation-2: -Immigration is the permanent inward movement of some individuals coming from outside into an existing population. This increases population density and would not limits growth.
There is 1 question to complete.