A fossil is the remains of an animal or plant that lived long ago. Most fossils are formed from the hard parts of an animal's body, such as bones, shells, or teeth. Some are large, like dinosaur footprints. Some are so tiny that you need a microscope to see them. Most fossils are found in rocks formed from the mud or sand that collects at the bottom of oceans, rivers, and lakes. Fossils offer scientists clues to ancient animals.
What Do Fossils Tell Us?
Scientists study fossils to help them understand plant and animal life in ancient periods of the world's history. The age and structure of the rocks in which fossils are found can help scientists tell how long ago certain kinds of animals or plants lived. For example, dinosaurs lived millions of years ago, but people have known about dinosaurs only since the first dinosaur fossils were uncovered, less than 200 years ago.
Where Are Fossils Found?
In eastern and southern Africa and other places, people have found fossils that are ancestors of early humans. Insects that lived millions of years ago are sometimes found preserved in amber (hardened tree sap). Fossils have also been found in ice and tar.
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Fossil
World Almanac for kids
Overview
A fossil is the remains of an animal or plant that lived long ago. Most fossils are formed from the hard parts of an animal's body, such as bones, shells, or teeth. Some are large, like dinosaur footprints. Some are so tiny that you need a microscope to see them. Most fossils are found in rocks formed from the mud or sand that collects at the bottom of oceans, rivers, and lakes. Fossils offer scientists clues to ancient animals.
What Do Fossils Tell Us?
Scientists study fossils to help them understand plant and animal life in ancient periods of the world's history. The age and structure of the rocks in which fossils are found can help scientists tell how long ago certain kinds of animals or plants lived. For example, dinosaurs lived millions of years ago, but people have known about dinosaurs only since the first dinosaur fossils were uncovered, less than 200 years ago.
Where Are Fossils Found?
In eastern and southern Africa and other places, people have found fossils that are ancestors of early humans. Insects that lived millions of years ago are sometimes found preserved in amber (hardened tree sap). Fossils have also been found in ice and tar.
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