Most Natural Food Chains Are Only Four or Five Links

question 44

Multiple Choice

Most natural food chains are only four or five links long,rarely more.The number of trophic levels is limited because

• A) there are more predators than herbivores.
• B) the efficiency in utilizing the food eaten at each level is very low, about 10 percent.
• C) winter kills off most insects and stops the food chains.
• D) This is not correct; most food chains are much longer than four or five links.
• E) nutrients cannot be passed after four or five levels.

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Definitions:

Current Yield

Current yield refers to the annual income (interest or dividends) received from an investment, expressed as a percentage of the investment's current market price.

Bond Coupon Rates

The interest rate provided by a bond each year, shown as a percentage of the bond's nominal value.

Minimum TIE

The lowest acceptable Times Interest Earned ratio, a financial metric used to determine how well a company can meet its interest payments on debt.

Restrictive Covenant

A clause in a contract that limits certain actions of the parties involved, often used in employment and real estate agreements.