Complex sentence: He has published numerous articles in collaboration with Berkeley evolutionary biologist Kevin Padian, and French dinosaur histologist Armand Ricqlés on the growth of dinosaurs using growth series, usually involving leg bones in graduated sizes from different individuals ranging in age from embryos to adults.
Split into simpler sentences: He has published numerous articles in collaboration with Berkeley evolutionary biologist Kevin Padian, and French dinosaur histologist Armand Ricqlés, on the growth of dinosaurs using growth series. This usually involves leg bones in graduated sizes from different individuals ranging in age from embryos to adults.