Exam 55: Energy Flow and Chemical Cycling in Ecosystems

Use the following figure to answer the question. In the ecosystem figure, which component of the food web has the potential to lose the most energy as heat?

Which of the following statements about energy is most accurate?

As part of the carbon cycle, which of the following reservoirs of carbon is the largest?

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 marine food web, tertiary consumers are most likely ________.

Use the following figure to answer the question. Food web for a particular terrestrial ecosystem (arrows represent energy flow and numbers represent species) In the food web, if species 3 is toxic to predators, then which species is most likely to benefit from being a mimic of species 3?

Which of the following is an example of biological augmentation?

Use the following figure to answer the question. Food web for a particular terrestrial ecosystem (arrows represent energy flow and numbers represent species) Based on this food web, which species is most likely a decomposer?

Use the figure to answer the question: Which arrow, if representing magnitude, should show the largest biomass exiting primary producers?

Use the figure to answer the question: The blue arrow exiting the left side of the "Primary consumers" box could best be described as which of the following examples of a nutrient transfer?

What advantage would there be for an ecosystem ecologist to measure net ecosystem production (NEP) instead of net primary production (NPP)?

How is net ecosystem production (NEP) typically estimated in ecosystems?

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

Many of the organisms in the ocean are nutrient-limited. Which of the following would be the most reasonable approach if you wanted to investigate this phenomenon?

A group of students walking through a coastal rainforest in Vietnam observe a large, beautiful tree towering above. The tree is full of orchids, mosses, birds, insects, arachnids, and millions of bacteria, all interacting with the abiotic environment, including the air, soil, and water of the forest. Which of the following terms bests describe this in the entirety of what they are observing?

Use the following figure to answer the question. Based on the information provided, which of the following contains the largest source or pool of nitrogen?

Use the following figure to answer the question. Which habitat type in the figure covers the largest area?

Which of the following are the main forms of chemical inputs and outputs that are recycled within an ecosystem?

Use the following figure to answer the question. Which ecosystem, if completely converted by humans to cultivated land, would have the largest negative impact on total NPP?

Use the following figure to answer the question. In the figure, the jagged arrow leaving microorganisms and other detritivores represents which process?

Which of the following is a reason that a diet consisting primarily of fruits and vegetables results in a smaller ecological footprint than a diet high in meat content?