The High Productivity of Coral Reefs Is a Direct Result

question 46

Multiple Choice

The high productivity of coral reefs is a direct result of:

• A) the large numbers of phytoplankton and algae living on reefs.
• B) the tight symbiotic relationship between coral polyps and zooxanthellae.
• C) the high concentration of nutrients in tropical waters.
• D) the upwelling of tropical waters.

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Definitions:

Profitability Index

A financial metric that compares the present value of future cash flows from an investment to its initial cost, used to evaluate investment attractiveness.

Net Present Value

The difference between the present value of cash inflows and outflows over a period of time, used in capital budgeting.

Capital Rationing

A strategic financial approach where a company restricts its spending on new projects due to limited resources.

Net Present Value

A performance indicator for assessing an investment's profit, derived by taking away the current value of cash disbursements from the current value of cash incomes during a specific period.