What Was the Main Factor That Led to Declines in Collared

question 46

Multiple Choice

What was the main factor that led to declines in collared lizard (Crotaphytus collaris) populations in the Ozark Mountains of Missouri in the United States?

• A) Increased forest fires killed collared lizards and their preferred insect prey species.
• B) Suppression of forest fires decreased the open habitat that collared lizards require.
• C) Increased forest fires removed the cool, closed-canopy habitat that collared lizards require.
• D) Suppression of forest fires led to an increase in the populations of collared lizard predators.

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Definitions:

Operating Leverage

The extent to which a company uses fixed costs in its operations, affecting its potential for higher profits or losses with changes in sales volume.

Selling Price

The amount of money for which something is sold to a buyer, after considering production, marketing, and distribution costs.

Fixed Cost

Fixed costs, including rent, salaries, and insurance, stay the same no matter how much is produced or sold.

Contribution Margin

The amount remaining from sales revenue after variable costs are deducted, contributing towards covering fixed costs and earning profit.