Grade 1 - A History Of The Earth

Name

The History of the Earth: Supplemental Guide 227

7A-2

Fossil Timeline

Image Card 10

Trilobite

Image Card 11Cooksonia fossil

Image Card 12

Fish fossil

Image Card 13

Fern fossil

550 million years ago

reptiles appear245 million years ago

forestplants

age of fi sh

soil

NO rootsleavesfl owersseeds

fi rst plants

YESrootsleavesfl owersseeds

soil

Completed Fossil Timeline