Why Is It So Difficult for Scientists to Know How

question 61

Multiple Choice

Why is it so difficult for scientists to know how many species have already been described?

• A) Scientific journals do not publish accounts of new species.
• B) There isn't one location for cataloguing all species.
• C) Scientists are too busy testing hypotheses to investigate the number of species on Earth.
• D) Many species are microscopic, so they are difficult to study.

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Definitions:

Diminishing Returns

A principle stating that if one factor of production is increased while others are held constant, the output per unit of the variable factor will eventually decrease.

AVC

Average variable cost, which is the total variable cost divided by the quantity of output produced.

ATC

Stands for Average Total Cost, which is the total cost per unit of output produced.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance, remaining constant regardless of the business activity.