In a Desert Ecosystem, Plants Capture 120 Units Per Day

question 38

Multiple Choice

In a desert ecosystem, plants capture 120 units per day of solar energy and they use up to 70 units per day in respiration. Animals consume about 30 units per day of the plants. The NPP of this system is how many units per day?

• A) 20
• B) 30
• C) 50
• D) 120

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Definitions:

Compounded Annually

A method of calculating interest where the interest earned over a year is added to the principal, and the sum becomes the principal for the next year.

Future Value

The value of an investment or loan at a specific date in the future, calculated using the current value and the expected rate of growth or interest.

Future Value

Future Value is the estimated amount of money that an investment will grow to over a specified period of time, assuming a certain rate of interest or rate of return.

Compounded Semiannually

Refers to the process of earning interest on both the initial principal and the accumulated interest from previous periods, calculated twice a year.