Habitats: Then and Now

How do scientists learn about the age of fossils?

• ask a fossil
• study the rock layers
• study the land 

Clues about how a fossil organism's habitat has changes over time is seen in...

• the sky
• the center of the earth
• each rock layer

The remains of livings things preserved in rock are

• images
• imprints
• pictures
• fossils

Changes to the land can happen quickly and very slowly, over thousands of years.  True or False

• True
• False

The newest rock layer in the Grand Canyon is called...

• The Kaibab
• The top layer
• The newest layer
• The rock layer

What creatures were found as fossils in the Himalayas?

• fish
• skeletons
• fossils
• ammonite

What big landmass broke apart over 225 million years ago?

• Europe/Asia
• Laurasia
• Pangaea
• Gondwana

What place contains the world's finest sea fossils with shark teeth, corals, snails, and trilobites?

• Texas
• Nevada
• California
• Kansas