Best Stage Paths

In the Cell Stage, is it most fun to be an herbivore (I'm American, and in American English, that article is correct for the word), an omnivore, or a carnivore?

Similarly, in the Creature Stage, is it most fun to be a Social Creature, an Adaptable Creature, or a Predator?

Continuing on, is the Tribal Stage most fun as a Friendly Tribe, an Industrious Tribe, or an Aggressive Tribe?

Finally, is the Civilization Stage most fun as a Religious Nation, an Economic Nation, or a Militaristic Nation?