Figure 3-6
The production possibilities frontiers below show how much Greg and Catherine can each produce in 8 hours of time.
Greg's Production Possibilities
Catherine's Production Possibilities 
-Refer to Figure 3-6. Which if any good(s) does Greg have an absolute advantage producing?
Definitions:
Genetic Differences
Variations in the DNA sequences among individuals, populations, or species that lead to diversity in traits, behaviors, and susceptibility to diseases.
Isthmus of Panama
A narrow strip of land connecting North and South America, significantly impacting ocean currents and global climate patterns, as well as migration of species.
Geographic Barrier
A physical or environmental feature that prevents the free movement of species, leading to genetic isolation and potentially speciation.
Allopatry
Occurs when populations are in separate, nonoverlapping geographic areas (that is, they are separated by geographic barriers to gene flow).
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