In this episode, I talk about the extinct colonial animal we call graptolites. These are fascinating fossils as they not only show an evolutionary trend that goes from complex to simple, but their wold-wide distribution makes them a perfect index fossil.
Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science. Check them out!
In this episode, I talk about the extinct colonial animal we call graptolites. These are fascinating fossils as they not only show an evolutionary trend that goes from complex to simple, but their wold-wide distribution makes them a perfect index fossil.
Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science. Check them out!