offer changing had habitat land every the to planet

surge plant combined life with in the

had largest form ever herds some of seen the earth

sauropods long-necked theropods feathered alongside giant the and

ornithischians the

flooded land the this

magma lift seafloor upwellings began of the to

reshape tectonic continued plates earth's shifting the to planet and

pangaea fragments spread out of as the

flourished dinosaurs under the