How do scientists know if it is a freshwater or saltwater fossil?

Subject: How do scientists know if it is a freshwater or saltwater fossil?

Date: Wed Feb 20 10:07:27 2002
Posted by Kelly
Grade level: 7-9 School: Caldwell Middle School
City: Caldwell State/Province: Texas Country: USA
Area of science: Earth Sciences
ID: 1014217647.Es

Message:


In learning about plate tectonics, one clue is a freshwater animal fossil found 
in South America & Africa.  How could scientists tell it was freshwater & not 
saltwater?

Re: How do scientists know if it is a freshwater or saltwater fossil?

Current Queue | Current Queue for Earth Sciences | Earth Sciences archives

Try the links in the MadSci Library for more information on Earth Sciences.