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What Do Tooth Marks In Fossil Shells Mean?

January 24, 2024 by Diane Mitchell

What Do Tooth Marks In Fossil Shells Mean? tooth marks in fossil shells This means that the shell was prepared for predatory animals. features that are shared by more than one species The fossil species were probably related to each other. … the extinction of many fossil species at the same time The extinction of

How Are Fossils Used To Determine Geological Time?

January 24, 2024 by Jasmine Sibley

How Are Fossils Used To Determine Geological Time? To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to