Question

1) Knowing what you have learned about energy and nutrient dynamics in an ecosystem, explain the following statement. " Plants can get along without animals, but animals can't exist without plants."

2. We now have over 6 billion people on this planet. We are constantly producing waste of all different types. Explain what the term eutrophication means and how it will affect fresh water systems in the future.

3. Sometimes the flow of energy in a terrestrial ecosystem pyramid is called the "10% Rule." Explain what this means. Which level of the pyramid is the most efficient level as for as energy usage is concerned?

4. What is the definition of the term "bioremediation"? Give an example. How does this compare to "biological augmentation"?

Answer 1