Compared with the Numbers of Grasshoppers or Deer, There Are

question 46

Multiple Choice

Compared with the numbers of grasshoppers or deer, there are not a lot of mountain lions. The reason that large and fierce top-level carnivores are rare in an ecosystem is that

• A) such animals do not tolerate other members like them.
• B) through natural selection, most fierce animals have been killed off by others.
• C) food chains are only 10 to 20% efficient at each step, and top carnivores are therefore limited by the availability of food in their range.
• D) only a few such animals are permitted by succession in a biome, and there are only a few biomes.

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Annual Interest Rate

The percentage increase in the amount of money owed as interest on a loan or investment, calculated on an annual basis.

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The original sum of money borrowed in a loan, or the amount of the investment, excluding any interest or dividends.

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$8,300 Balance

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