FINAL KIEL FOSSILS

Front

In what geological era are we currently living?

Back

Cenozoic

Front

Dinosaurs ruled the Earth in what period?

Back

Mesozoic Era

Front

Which of these time periods lasted the longest? Precambrian Time, Paleozoic Era, Mesozoic Era, Cenozoic

Back

Precambrian Time

Front

Saying you are older than a baby is an example of ____________?

Back

Relative age

Front

What evidence do scientists use to determine the age of the Earth?

Back

All of the Above

Front

How old is the earth?

Back

4.6 billion years old

Front

When a whole species dies all at once it is called a mass extinction.

Back

true

Front

If the same index fossils are found in different rock strata miles apart, what is probably true about the rock layers?

Back

The strata are from the same relative time period

Front

What is true about absolute dating?

Back

It uses the half-life of isotopes to get the exact age of a rock or mineral.

Front

Explanation of why layers of the Earth might be altered include:

Back

Principle of Cross-Cutting Relationships