Which Statement Best Describes a Keystone Species

question 6

Multiple Choice

Which statement best describes a keystone species?

• A)a rare or uncommon species that has a strong effect on its community
• B)an abundant species that may or may not affect other species
• C)a species that takes up a great deal of space in a community
• D)a common species that has a strong effect on its community

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Definitions:

Terms Of Trade

The ratio at which a country's exports can be exchanged for imports, a measure of a nation's export prices relative to its import prices.

Feasible Terms

Conditions or parameters that are possible and practical to meet, often used in negotiations or agreements.

Constant Costs

Costs that do not change in total over a wide range of production activities or time periods.

Cost Ratios

The relationship between two elements of cost, showing how one cost compares to another, often used for analysis or efficiency assessment.