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Figure 20.3
-In Figure 20.3,phylogeny branch lengths represent genetic changes.Which organism on the tree has undergone the most genetic changes since divergence from common ancestor?
Autarky
An economic system where a region or country is self-sufficient and has no trade with the outside world.
Specialization
The situation in which each person specializes in the task that he or she is good at performing.
Absolute Advantage
The ability of an individual or economy to produce a good or service more efficiently than competitors using the same amount of resources.
Cars
Motor vehicles with four wheels designed primarily for passenger transportation and commonly powered by internal combustion engines.
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