Paleontology

A fossil that is so well known it tells us the age of a rock layer.

Egypt & Peru both have mummies. What doesn’t live well in dry or cold places?

How do time periods in the Geologic Time Scale usually end?

Earth is 4.6 billion years old. How long have humans been here?

Flowering plants first appeared in what era?

What important information can fossils tell us about the past besides what lived before?

Why was there no life on the land for 88% of Earth's history?

The half-life of K-40 is 1.3 billion. If a fossil has ¼th its K-40, how long ago did it die?

88% of the history of Earth was spent in what major time period?

Which place are fossils most likely to form?

What rules says that older fossils are deeper in the ground?

What do we call techniques that can tell us how old fossils are using radioactive atoms.

Why did little animals survive the Mesozoic extinction, according to the Alvarez Hypothesis?

The Paleozoic Era is also called the Age of what?

The Cambrian Explosion looks like there was a huge amount of life because these first appeared.