Fossil Evidence for Evolution

Front

What pattern do organisms show as you move up from layer H to layer B in the fossil record?

Back

Organisms become more complex.

Front

Which layer is the youngest in relative dating?

Back

The top layer.

Front

What do scientists use in relative age dating?

Back

The order of layers of rocks.

Front

In what type of rocks are fossils typically found?

Back

Sedimentary rocks.

Front

What is relative dating?

Back

Determining the relative order of past events without determining the exact age.

Front

What is absolute dating?

Back

Determining the exact age of fossils or rocks.

Front

What is a fossil?

Back

The preserved remains or traces of ancient organisms.

Front

What is the significance of sedimentary rocks in paleontology?

Back

They are the primary type of rock where fossils are found.

Front

What does the term 'strata' refer to in geology?

Back

Layers of rock or soil with internally consistent characteristics.

Front

What is the principle of superposition?

Back

In undisturbed layers of rock, the oldest layers are at the bottom and the youngest are at the top.