You Are a Scientist Who Notices Great Similarity Between the Spines

question 106

Multiple Choice

You are a scientist who notices great similarity between the spines of a hedgehog and the spines of a porcupine.When you study their genetics,however,you notice that the set of genes that code for hedgehog spines is a different set of genes than the set that codes for porcupine spines.You decide this must be an example of

• A) convergent evolution.
• B) divergent evolution.
• C) coalescent evolution.
• D) unifying evolution.
• E) symbiotic evolution.

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Definitions:

Producer Surplus

The difference between what producers are willing to sell a good for and the actual price they receive.

Price Falls

A decrease in the cost of goods or services in the market.

Surplus Decrease

A reduction in the amount by which the quantity supplied of a product exceeds the quantity demanded.

Consumer Surplus

The gap between the amount consumers are prepared to pay for a product or service and the actual price they pay.