In what ways is human population ecology similar to and different from that of other organisms? Why is it difficult to determine a carrying capacity for humans?”

In what ways is human population ecology similar to and different from that of other organisms? Why is it difficult to determine a carrying capacity for humans?”
How has the global human population changed from pre-historic times to 1800? From 1800 to the present? What is projected over the next 50 years?
How does the World Bank classify countries in terms of economic categories?
What are the environmental and social consequences of rapid population growth in rural developing countries? In urban areas?
Define crude birthrate (CBR) and crude death rate (CDR). Describe how these rates are used to calculate the percent rate of growth and the doubling time of a population.
How do the current positions of the developed and developing nations differ in demographic transition?

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