Fossil dating relative
This wasn’t unusual, however, because baleen-whale ancestors around that time sported a wide variety of dental and feeding mechanisms.“There’s big toothed things, there’s little toothed things and there’s toothless things, all at once,” says Uhen.In this series of games, your students will learn about the different types of fossils and the clues they offer us.The Fossil Record learning objective — based on NGSS and state standards — delivers improved student engagement and academic performance in your classroom, as demonstrated by research.
Then in 2010, Lambert and his team found and began excavating the fit in the whale family tree, the researchers compared characteristics such as the shape of its skull and pelvic bone to those of other fossil whales.
In rare cases, fossils can be made of original material from the organism’s actual body.
These fossils require very specific conditions, like when an insect is trapped in amber.
Sign up for 0 worth of games with no obligations or commitments.
’s free newsletters."data-newsletterpromo-image="https://static.scientificamerican.com/sciam/cache/file/458BF87F-514B-44EE-B87F5D531772CF83_source.png"data-newsletterpromo-button-text="Sign Up"data-newsletterpromo-button-link="https:// origincode=2018_sciam_Article Promo_Newsletter Sign Up"name="article Body" itemprop="article Body", is the oldest baleen-whale relative yet found.