If elephants are so smart and emotional, why didn't they evolve into humans?
If birds are so smart and emotional, why didn't they evolve into humans?
If cats are so smart and emotional, why didn't they evolve into humans? How would the world be different if humans evolved from birds rather than monkeys? How did wings evolve, given that they're not useful unless they're evolved enough to enable flight? Why did creatures evolve into two genders and not more to achieve more genetic diversity? How did humans evolved? How would humans evolve if we did? Why did brains evolve from the inside out? Will humans evolve anymore? Why did humans develop emotions in a "survival of the fittest" world when no other animal or beast did, even animals as fragile as humans? Which birds don't migrate and why? Do scientists have an idea how pterosaurs could have behaved and lived and if they behaved similar to birds? Have human beings evolved to be herbivores? How so? Did humans evolve from single celled organisms? Why didn't plants evolve to be like animals with features of animals such as mouth, ears, eyes, nose, hands and legs? Do birds have heart& brain? Why do birds suddenly appear? Considering that hominids evolved high intelligence in a couple of hundred thousand years, why didn't dinosaurs evolve high intelligence in millions of years? How did consciousness evolve? Why do creatures reproduce? Have cats evolved from mice? How are birds and reptiles related genetically? Will humans evolve into a more animal state? How did the brain evolve? Why did pubic hair evolve in humans? Will human evolve into a more animal state? Why do birds lay different coloured eggs? Why didn't intelligence develop in its highest form in underwater creatures? What are humans evolving into? How are humans evolving? What are humans evolving into, or out of?