In Chapter 3, You Learned About the Evolution of the 14

question 5

Multiple Choice

In Chapter 3, you learned about the evolution of the 14 finch-like species on the Galapagos Islands. As shown in the figure below, each species has a different beak shape; thus, each species is adapted to feeding on different food sources.

These changes are a result of __________.

• A) resource partitioning
• B) ecological niche
• C) dominance hierarchy
• D) mutualism

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Definitions:

Long-Run Supply Curve

A graphical representation showing the quantities of a good a supplier is willing to produce and sell at different prices over a long period, without fixed inputs.

Constant Returns

A situation where increasing the amount of inputs in the production process proportionally increases the output, implying a linear relationship between inputs and outputs.

Marginal Cost Curve

A graphical representation showing how the cost of producing one more unit of a good changes as production increases.

Profit Maximization

A process or strategy employed by businesses to increase their net profits to the highest possible level.