The Florida Everglades Case Study points out the problems associated with competing interests. In this case, the needs of a rapidly growing urban population compete with the needs of a massive, complex ecosystem. As the human population continues to grow, competition will grow. Is it important for an ecosystem such as the everglades to be restored given the cost and potential impact on the needs of the human population? Explain.
What will be an ideal response?
The intent of these questions is to highlight the value of resources and services provided by nature. If students view the relationship merely as one species or ecosystem versus humans, most would choose humans. When the value to humans of what is provided by nature is the focus, a more accurate comparison can be made.
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Lichens play a special role in chemical weathering by
A. weakening the hydrogen bond in water, making it more effective at dissolving rocks with high quartz concentrations. B. secreting oxalic acid, which dissolves carbonates particularly well. C. slowing the rate of jointing in rocks. D. acting as a catalyst for dissolution of minerals that crystallize at the highest temperatures.
Carbon dioxide levels in the atmosphere first began to rapidly increase above natural levels around 1950.
Answer the following statement true (T) or false (F)
Which below would not be considered an onshore wind?
a. sea breeze b. Santa Ana wind c. lake breeze d. none of the above
The atomic number is equal to the number of ____.
A. atoms in a molecule B. protons in an atom C. neutrons in a molecule D. electrons in an atom E. protons, electrons, and neutrons in an atom