Museum of the Earth

4. The crinoids ______ into the starfish, a species that is alive today.
6. There are only 400 right whales alive today. they are an endangered ____.
10. Mountains of ice.
11. The tiny pieces of dirt and sand that settle at the bottom of the ocean.

1. the people or species that came before us.
2. Most of the rock that you find in Ithaca is from the ______ era.
3. When the top layers of earth are carved away, the layers from earlier eras are _____.
5. VERY old, from a long ago era.
7. A very long period of time.
8. The remains of ancient life that have turned into stone over millions of years.
9. The root word SEDI means to _________.