Exam 55: Ecosystems and Restoration Ecology

Use the following figure to answer the question. Food web for a particular terrestrial ecosystem (arrows represent energy flow and letters represent species) Examine this food web for a particular terrestrial ecosystem. Which pair of species could be omnivores?

Use the following figure to answer the question. Diagram of a food web (arrows represent energy flow and letters represent species) If the figure represents a terrestrial food web, the combined biomass of C + D would probably be ________.

Suppose you are studying the nitrogen cycling between vegetation, sediments, and water in a pond ecosystem over the course of a month. While you are collecting data, a flock of 100 Canada geese lands and spends the night during a fall migration. What could you do to eliminate error in your study as a result of this event?

Many of the organisms in the ocean are nutrient-limited. If you wanted to investigate this phenomenon, one reasonable approach would be to ________.

Which of the following locations are major reservoirs for carbon in the carbon cycle?

If you applied a fungicide to a cornfield, what would you expect to happen to the rate of decomposition and net ecosystem production (NEP)?

Which of the following has the greatest effect on the rate of chemical cycling within an Ecosystem?

To recycle nutrients, an ecosystem must have, at a minimum, ________.

The discipline that applies ecological principles to returning degraded ecosystems to a more natural state is known as ________.

If the sun were to suddenly stop providing energy to Earth, most ecosystems would eventually vanish. Which of the following ecosystems would likely survive the longest after this hypothetical disaster?

Use the following figure to answer the question. Consider the global nitrogen cycle depicted in the figure. What is the limiting portion of the cycle for plants?

During a year, plants never use 100% of the incoming solar radiation for photosynthesis. What is a reasonable explanation for this?

Matter may be gained by, or lost from, ecosystems. How does this occur?

For most terrestrial ecosystems, pyramids composed of species abundances, biomass, and energy are similar in that they have a broad base and a narrow top. The primary reason for this pattern is that ________.

Which of the following would be considered an example of bioremediation?

Which of the following has the greatest effect on the rate of chemical cycling in an ecosystem?

Use the following figure to answer the question. Which category in the figure makes available the highest productivity per square meter?

Which trophic level is most vulnerable to extinction?

Which one of the following correctly ranks these organisms in order from lowest to highest percent in production efficiency?

The discipline that applies ecological principles to returning degraded ecosystems to a more natural state is known as