If both Asteroids hit the moon


 * The dinosaurs survive for sevveral million years extra before being slowly killed off by the vast volcanic actively.
 * Large Sauropods are killed due to a shortend amount of digestible plants.
 * Megacarnivors begin to hunt smaller dinosaurs and eventualy turn on themselves.
 * Small, fast Ornivores become top animals. But by the time they evolve better, Mammals have already uprised.