If the Flow of Energy in an Arctic Ecosystem Goes

question 78

Multiple Choice

If the flow of energy in an arctic ecosystem goes through a simple food chain, perhaps involving humans, starting from phytoplankton to zooplankton to fish to seals to polar bears, then which of the following could be true?

• A) Polar bears can provide more food for humans than seals can.
• B) The total biomass of the fish is lower than that of the seals.
• C) Seal meat probably contains the highest concentrations of fat-soluble toxins.
• D) Seal populations are larger than fish populations.
• E) The fish can potentially provide more food for humans than the seal meat can.

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Definitions:

Cost Estimation

The process of predicting the costs of producing a product or service, typically involving historical data analysis and forecasting techniques.

Cost Line

A graphical representation of the costs incurred by a company, set against a range of production or service volumes.

Relevant Range

The range of activity within which the assumptions about fixed and variable costs are valid for the purposes of cost behavior analysis and budgeting.

Activity Levels

Various measures of activity within a company, such as production volume or sales, that can influence costs and operational performance.