Understanding Fossils: A Brief Overview

They are more likely to be preserved in the fossilization process.

They rot away when the animal or plant dies.

Minerals fill the space where the animal's body was buried in mud, creating a copy of the creature.

<p>They have become extinct.</p> Signup and view all the answers

<p>The oldest rocks are generally lower down than the newer ones, helping estimate the age of the fossils.</p> Signup and view all the answers

<p>Scientists suggest that there was no life of any kind on Earth at the beginning.</p> Signup and view all the answers

<p>The earliest fossils are dated as between 3000 and 4000 million years ago.</p> Signup and view all the answers

<p>Adaptation is when the features of an animal are adapted to help it survive in the habitat it lives in.</p> Signup and view all the answers

<p>Inheritance is when offspring inherit characteristics from their parents.</p> Signup and view all the answers

<p>Variation is when offspring may vary from their parents, producing differences.</p> Signup and view all the answers