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There Are No True "Living Fossils"

Author: 
Josh Welch

An alligator next to waterWhen you were in school or perhaps watching a documentary you probably heard the term "living fossil" to describe animals that have not evolved much over a long period of time. 

Frequently this term is used to describe alligators, crocodiles, horseshoe crabs and tuatara, a unique lizard found in New Zealand. 

It is true that these animals have not appeared to change much over millions of years, but appearances can be deceiving. 

Check out this PBS Eons video to learn more about this fascinating subject and find out why this terminology should probably be retired. 

Don't forget to leave a comment below to let me hear your thoughts!