Which of the Following Ecological Communities Has the Greater Ecological

question 30

Multiple Choice

Which of the following ecological communities has the greater ecological diversity?

• A) the bottom dwellers of a small pond that includes 12 species of bacteria, 10 species of protists, 3 species of fungi, 13 species of invertebrate animals, and 1 species of fish
• B) a small lawn with 2 species of pine trees, 1 species of squirrel, 1 species of grass, and 8 species of invertebrate animals
• C) a large, deep, cold lake with 2 species of aquatic plants, 6 species of phytoplankton, 4 species of protozoans, 3 species of invertebrate animals, and 4 species of fish
• D) a field with 3 species of bacteria in the soil, 5 species of grasses, 6 species of invertebrate animals, 2 species of birds, and 1 species of mammal

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Definitions:

Times Interest Earned Ratio

A financial ratio that measures a company's ability to meet its debt obligations by comparing its income before interest and taxes to its interest expenses.

Earnings Before Interest and Taxes

A measure of a firm's profit that includes all expenses except interest and income tax expenses.

Cash Coverage Ratio

A liquidity metric that measures a company's ability to pay off its debt with its cash flow, demonstrating financial health.

Days' Sales In Inventory

A measure of how efficiently a company manages its inventory, calculated by dividing the inventory by the daily average cost of goods sold.