Hank explains what defines a species: the ability to create fertile offspring. He also explains the conditions that are required to create an entirely new species.
Key Words: Species, Hybrids, Evolution, Speciation, Reproductive Isolation, Post-zygotic, Pre-zygotic, Allopatric Speciation, Natural Selection
Jack digitally recreates the thermal cycle of the storm and notes that it is pulling cool air from the upper troposphere. He models the cycle to gain such insights and learn that it is not an isolated incident.