Fósiles: huellas de la vida antigua

The video explains that fossils are remnants of ancient life, such as dinosaur footprints and skeletons. It describes how fossils form when organisms are quickly buried and preserved in rock. Various types of fossils exist, including shells, eggs, and even droppings, ranging from small to large sizes.

How do fossils vary in size?

Explain the significance of fossils in understanding the past.