only thing that are still from that time where the animals that had died and are in rocks.
i think this is a good article because most people think that dinosaurs where the only thing before humans and this tells us that the were other animals that were before dinosaurs.
1.) scientists rely on fossils instead of photographs to study dinosaurs because now and days a photograph can be fake or copied. if they use a fossil, it is proof of the dinosaur living thousands of years ago and can describe the dinosaur.
2.) this article really shocks me. i never would have thought their were other great prehistoric living creatures before the 