>>>That's assuming that "high intelligence" is always the modus operandi for "survival" (ie. reproductive success). Not to a shark or a cockroach.>>Which of these would evolve to higher EQ? First, you need two conditions: (1) small, genetically ISOLATED populations where the alleles also have some diversity, and (2) strong environmental pressure that specifically selects for intelligence ie. the most NON-intelligent members are killed before mating.