The true history of seven heavens and the eighth that it's the Earth

Every specie is linked with the climate that it was born. Food, water or oxygen quantity determines size, shape and age to dead. When some boundary change being must change or disappear. Imagine if in the world all our possible meal disappears and other possibilities of eat will become a poison. Yes, it’s an extreme situation which is impossible to happen in our current boundary conditions but not of all impossible with other planetary boundaries that was happened in other geological times. Fish survive is in threat as ours We can’t survive in Cretaceous Age , not for the existence of terrible dinosaurs but we can’t breathe the air with our current lungs; we would walk in Cretaceous Age as we are in Pandora’s Moon of the Avatar film . As us in Cretaceous, the Jurassic animals couldn’t survive in our time (even if will resucite them as Jurassic Park ). The current air is an advantage, something that we can see with their direct sons: the birds which able to fly only with