1) In what ways do the fossil types change as you get deeper in the fossil record?

2) What different environmental conditions was the Grand Staircase exposed to over this +1 Billion year?

3) How is it possible that the Grand Staircase was exposed to these many environmental conditions?

4) Answer the question: Can the Grand Canyon be used to explore over a billion years of life that once
existed on Earth? Make a statement that refers to your hypothesis and summarizes your findings.
Talk about how fossils change as you go deeper in the layers and the way this all relates to the Law
of Superposition.

Fossils are the remains or impression of plants or animal embedded in rock. They are the remains of dead animals and plants that once lived on this earth in the remote past. Fossils are formed when dead organisms are not completely decomposed.

2. Fossil record

The fossil records are referred to as the totality of fossils. It helps paleontologists, archaeologists, and geologists place important events and species in the appropriate geologic era. Fossil records can be used to show that organisms changed to meet new conditions

3. The grand staircase

The Grand Staircase is referred to as a sequence of sedimentary rock layers that stretch south for 100 miles from Bryce Canyon National Park through Zion National Park and into the Grand Canyon.

The different environmental conditions the Grand Staircase exposed to over this +1 Billion year is heat

4. Based on the Law of Superposition which states that in undisturbed rock sequences the bottom layers are older than the top layers.

Learn more about fossils:

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