Use the Following Information to Answer the Question

question 29

Multiple Choice

Use the following information to answer the question.

Applying the principle of parsimony to the trait "ability to fly," which of the two phylogenetic trees is better?

• A) Tree 1
• B) Tree 2
• C) Both trees are equally parsimonious.
• D) Since the trees show different evolutionary relationships, you cannot determine which is more parsimonious.

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Definitions:

Income Effect

The change in consumption that results from changes in real income, affecting the purchasing power of consumers.

Substitution Effect

The economic understanding that as prices rise or income decreases, consumers replace more expensive items with less costly alternatives.

Wage Increase

A rise in the rate of pay employees receive for their work.

Leisure

Free time not taken up by work, during which individuals can engage in activities of their choice for relaxation or pleasure.