Paolo Can Walk Three Dogs or Mow Two Lawns in Two

question 148

Multiple Choice

Paolo can walk three dogs or mow two lawns in two hours. Ashanti can walk six dogs or mow three lawns in two hours. According to trade theory, _____ should walk dogs because ____.

• A) Ashanti; she produces more than Paolo does in a two-hour period
• B) Ashanti; she enjoys a comparative advantage in dog-walking
• C) Paolo; he faces a lower opportunity cost for walking dogs
• D) Paolo; he enjoys an absolute advantage in dog-walking

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Definitions:

Speciation

The evolutionary process by which new biological species arise due to factors such as geographic isolation or genetic divergence.

Fossil Record

The accumulation of evidence from preserved remains or impressions of organisms from past geologic ages.

Background Extinctions

The normal rate of extinction for species or a certain baseline level of extinctions that occurs without human intervention or major catastrophes.

Genetic Mutations

Changes in the DNA sequence of an organism's genome, which can result in variations in physical appearance, function, or behavior.