Question

In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils. What can be determined from this information?

Answer 1

Hello there!

I had a question just like this before and I believe there are options to choose. It doesn't matter, I'll work it out.
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We can determined that jellyfish existed before trilobites and ammo-nites.


I hope I helped!

Answer 2

So 5 millions ago mountains were formed! As you also know about the fossil formation. Examples of one of the mountains forming 5 millions ago was the Rocky Mountains. So to answer your question it is jellyfish existed before trilobites and ammonites. Oh there was also another mountain formed back then it was called the Appalachian mountain range.