Fósiles: huellas de vida de hace 150 millones de años

The video explains how footprints can become fossils, which are remains or marks left by prehistoric organisms. It describes different types of fossils, such as impressions and bones, and their significance in understanding extinct species. The process of fossilization is detailed, showing how remains are preserved in sedimentary rock. The video concludes with the discovery of dinosaur footprints, highlighting the importance of fossils in learning about the past.

How old are the fossils of the ammonoids mentioned in the text?

What is the significance of the footprints mentioned in the text?