Environmental Science Worksheet

Topics: Population, Logistic function, Demography Pages: 3 (791 words) Published: November 21, 2011
University of Phoenix Material

Environmental Science Worksheet

Answer the following questions in at least 100 words. The answers are found in Ch. 1–4 of the text. 1. Provide a brief summary of the history of the environmental movement?

2. Explain the main point concerning exponential growth and whether it is good or bad. Compare exponential growth to a logistic growth curve and explain how these might apply to human population growth. What promotes exponential growth? What constrains population growth?

3.Compare predictions for human population growth in developed countries versus developing countries. Why is it difficult to predict the growth of Earth’s human population?

4. Explain how principles of system theory apply to the Earth as a living system.

The environmental movement is social, political and scientific, and addresses issues regarding conservation of the environment and "green" issues. The movement has roots in the 1800s, when environmental negligence led to increased air and water pollution. It became more widespread and active after World War II. In the United States, the movement has two main dimensions: protection and conservation. Of course we have accomplish technological advacements such as pictures of the Earth taken from outer space and nuclear proliferation that delivered new reason and insights for concern over Earth's unique and small place in the whole universe. Well known leaders from the early environmental movement include John Muir, Gifford Pinchot, and Henry David Thoreau. Environmental damage through radiation, oil spills and pollution escalated during the second half of the 1900s. Public awareness and involvement has continued to increase.

Exponential growth happens when the growth rate of a function is proportionate to the function's value. Applying this to population, exponential growth would refer to population growth that is strictly proportional to one variable: the...
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