G4. U7. L3. What are some patterns fossils show us?

Which rock layer is the oldest?

• Layer a

• Layer b

• Layer c

• Layer d

How do you know the layer you chose is the oldest?

• The oldest layer is usually at the top.

• The oldest layer usually has land animals.

• The oldest layer is usually on the bottom.

• The oldest layer is between layers of limestones.

Use the evidence to identify the oldest type of environment represented in these rock layers.

• desert

• sea

• forest

• mountain

Fill in the blanks:

1. 1.

2. 2.

3. 3.

What did the earthquake do to the order of the rock layers?

• It did not change the order of the layers.

• It reversed the order of layers.

• It removed several of the layers.

• It created one new layer.

How do the rock layers show changes in the land over time? Choose all that apply.

• They have the same number of layer.

• The type of fossils found in them change from aquatic to terrestrial.

• The type of fossils found in them were all aquatic.

• There are fossils in almost every layer.

• Disruption to the layers shows change over time.