Digging Up Plant Fossils

Digging Up Plant Fossils book cover — CONTENTS 4.6.8 12 14 The Beginning of Plants A Plant Becomes a Fossil The Remains of Plants More Plant Fossils Stuck in Time Studying Plant Fossils Digging for Clues A Fossil's Age Flower Fossils Ancient Animal Friends Plants and Our Planet Amazing Artifacts Glossary Index 16 18 20 22 24 26 28 30 31 WORDS IN THE GLOSSARY APPEAR IN BOLD TYPE THE FIRST TIME THEY ARE USED IN THE TEXT

Digging Up Plant Fossils — page 1 — THE BEGINNING OF PLANTS A plant can be many different things like a flower bush or tree Over 440 million years ago the first plants appeared on land Scientists believe that they evolved from green algae It ALGAE FLOATING IN WATER took a long time for the first plants to become the flowers bushes and trees that you know today Explore More ALGAE LIVE MOSTLY IN WATER THE FIRST PLANTS PROBABLY LIVED IN WATER TOO 4

Digging Up Plant Fossils — page 2 — How can we know what happened millions of years ago Fossils A fossil is the remains of something that died a long time ago Scientists can study plant fossils to learn what plants used to be like and how they have changed over the years A FOSSIL LIKE THIS OAK LEAF MAY BE HUNDREDS THOUSANDS OR MILLIONS OF YEARS OLD LIVING OAK LEAVES 5

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