Select all the correct answers. In the image, layer A is the topmost layer. Layer C contains fossils from the Precambrian era. Layer B contains dinosaur fossils, and layer A contains fossils of mammals. Which two statements are supported by this evidence? Illustration of fossil layers from top to bottom represented on a rectangular tile. Layer A with oval shapes as fossils of mammals. Layer B with dashed lines as Dinosaur fossils. Layer C with a plush sign as the Precambrian era fossils. Mammals lived before the Precambrian era. Dinosaurs and mammals existed in the Precambrian era. Dinosaurs evolved after Precambrian organisms. Precambrian organisms evolved after dinosaurs. Precambrian organisms were the first life-forms to become fossilized, according to this sample. Reset Next