Longevity
The Internet Wins · 68%
Lion
Individual lions survive twelve to fourteen years in the wild, somewhat longer in captivity. The species itself has persisted for roughly 800,000 years, a respectable tenure by mammalian standards. However, current trajectory projections suggest wild lion populations may not survive this century. The lion's longevity, both individual and species-wide, appears increasingly precarious in the face of habitat fragmentation and human-wildlife conflict.
The Internet
The Internet has existed for merely five decades yet shows every indication of immortality. Its distributed architecture means no single failure point can terminate it. Its protocols evolve continuously whilst maintaining backward compatibility. Most significantly, human civilisation has become dependent upon it for basic functions including food distribution, medical care, and financial systems. The Internet shall persist precisely because permitting its termination is now unthinkable.
VERDICT
Civilisational dependency ensures perpetual maintenance; no such protection exists for Panthera leo