This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Tyrannosauroid growth curves unlabelled. Tyrannosauridae growth rates svg Tyrannosauroid growth curves unlabelled use Template Annotated image Legend Horiz axis Age yrs steps of Vert axis Weught kg steps of Black Tyrannosaurus Green Daspletosaurus Blue Gorgosaurus Red Albertosaurus Ref Currie Philip Norell Mark Yerby Scott Brochu