What specific population characteristics do demographers study? Why is it important to study these things?
What will be an ideal response?
They study population size, density, distribution, age structure, sex ratio, birth and death rates, and the immigration and emigration of humans. Data gathered by demographers help us understand how differences in population characteristics and related phenomena (for instance, decisions about reproduction) affect human communities and their environments. We can use demographic data to predict population dynamics and the potential environmental impacts of populations.
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Some experts cite the failure to include the harmful environmental costs in the ____ of the goods and services as one of the major causes of the environmental problems we face.
A. stock prices B. indirect prices C. partial-cost prices D. market prices E. full-cost prices
An organism's niche is analogous to its
a. Address b. way of life c. food source d. trash dump e. all of these answers
Why might an organism such as Lingula show little evidence for change over great amounts of
geologic time? What are these types of organisms called? What will be an ideal response?
Methane hydrates could provide a lot of energy for us to use. Outline the reasons that these resources
are not yet being used. What will be an ideal response?