In a Food Chain Consisting of Four Trophic Levels,if the Energy

question 55

Multiple Choice

In a food chain consisting of four trophic levels,if the energy present in the top level is 48 kcal/m²/yr,how much energy do you expect in primary consumers? (Use an energy transfer rate of 10%. )

• A)4.8 kcal/m²/yr
• B)48 kcal/m²/yr
• C)480 kcal/m²/yr
• D)4,800 kcal/m²/yr
• E)48,000 kcal/m²/yr

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Definitions:

Fixed Exchange Rate System

A currency system where the value of a currency is pegged to another currency, a basket of currencies, or a valuable commodity like gold.

Central Bank

The principal monetary authority of a country, which manages the country's currency, money supply, and interest rates.

Flexible Exchange Rates

Exchange rates determined by the foreign exchange market, allowing the value of a currency to fluctuate according to supply and demand.

Bretton Woods Agreement

A 1944 agreement that established a new international monetary system, creating institutions like the International Monetary Fund (IMF) and the World Bank to ensure financial stability and promote economic cooperation.