Beak Shape Difference in Galapagos Finches Was One of the Earliest

question 3

Multiple Choice

Beak shape difference in Galapagos finches was one of the earliest observations supporting evolutionary theory. The recent identification of ALX1 as the likely gene responsible for these differences was the culmination of a research history that has drawn on several of the Great Ideas in biology. Match each Great Idea to the relevant evidence underlying the discovery of ALX1.
-Evolution by natural selection

• A) Development of beak shape as a consequence of localized gene expression
• B) Identification of candidate genes for influencing beak shape
• C) Changes in DNA sequence influence phenotype
• D) Observed differences in beak shape

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Definitions:

Contribution Margin

The contribution margin is the amount by which the sales revenue of a product or service exceeds its variable costs, indicating how much contributes to covering fixed costs and generating profit.

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The amount of money customers pay for a product or service.

CVP Model Assumptions

Assumptions underlying the Cost-Volume-Profit analysis, including constant unit selling prices, variable costs per unit, and total fixed costs.

Product Mix

The variety of products a company offers to its customers, encompassing breadth, depth, and diversity of the product lines.