As You Are Watching Dairy Cattle Grazing in a Field

question 61

Multiple Choice

As you are watching dairy cattle grazing in a field you notice a flock of starlings following them and eating insects that were disturbed by the cattles' hooves. Name the kind of species interaction you have observed and the benefit, if any.

• A)Mutualism; birds and cattle benefit.
• B)Commensalism; birds benefit and cattle are unaffected.
• C)Predation; birds benefit and cattle don't.
• D)Competition; birds benefit and cattle are disturbed.
• E)Consumption; both benefit from obtaining food.

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Definitions:

Market Rate Of Interest

The prevailing rate at which interest is paid by borrowers for loans in the financial markets.

Trading Investments

Securities that a company purchases with the intention of selling in the short term for a profit.

Long-Term Investment

Assets purchased for the purpose of holding them for an extended period, often years, such as stocks, bonds, or real estate.

Bonds

Long-term instruments of debt issued by corporations or governments, promising to pay back the principal along with interest at a future date.