Based on the Figure, Use Phylogenetic Reasoning to Explain Whether

question 21

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Based on the figure, use phylogenetic reasoning to explain whether feathers evolved for flight, and why. What other possible advantages could feathers provide? Is there a way to determine the original selective function? Explain your answer.

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Definitions:

Market System

An economic system in which decisions regarding investment, production, and distribution are based on supply and demand, and prices of goods and services are determined in a free price system.

Allocation of Resources

The distribution of scarce resources among various uses or people within an economy.

Economic Profits

The difference between a firm's total revenue and its total expenses, including both explicit and implicit costs.

Product Price

The amount of money required to purchase a specific product or service.