Why Do Ecologists Count Representative Samples of a Population and Not

question 78

Multiple Choice

Why do ecologists count representative samples of a population and not the total population under study?

• A) to get a precise number
• B) because it is impractical to count all the members of the population
• C) because it is the way that ecologists study ecosystems
• D) to get an estimate before counting the whole population
• E) because a representative sample more accurately reflects the carrying capacity

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Definitions:

Herfindahl-Hirschman Index

A measure of market concentration to assess the level of competition within an industry.

Herfindahl-Hirschman Index

A measure of market concentration, calculated by summing the squares of the market shares of all firms in the industry.

Industry A

Placeholder for a specific sector of the economy, often used as an example in economic contexts.

Barriers to Entry

Economic, procedural, or market-based factors that obstruct or restrict the ability of new competitors to enter an industry.