Paleontology review

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  • 1.
    • Take out your study guide.
  • Continue on page 42: and answer this -
  • I dont get it! What one thing (or two) do you just not get about paleontology?

2. Review Game 3.

  • What is the death of every member of a species called?
  • Extinction

4.

  • What process compares one rock layer with another in sequence to determine age?
  • Relative Dating

5.

  • Which era do we live in?
  • Cenozoic Era

6.

  • What law says that the geologic processes that occur today also occurred in the past?
  • Law of Uniformitarianism

7.

  • What is a missing layer of rock called?
  • Unconformity

8.

  • What is the study of past life using fossils?
  • Paleontology

9.

  • What law says that younger rock is on top of older rock?
  • Law of Superposition

10.

  • What is amber?
  • Hardened tree sap

11.

  • What is an example of a trace fossil?
  • Footprint, tail print

12.

  • At what rate does geologic change occur?
  • Slowly

13.

  • How do we know that the environmental conditions on the Earth have changed?
  • By looking at the fossil record

14.

  • A trilobite was buried by ocean sediment and left a cavity. What type of fossil is this?
  • Mold

15.

  • How do scientists find the absolute age of a fossil or rock?
  • By radioactive dating

16.

  • What is the Law or Original Horizontality?
  • Sediments are laid down in horizontal layers

17.

  • What is the geologic column?
  • The layer of rocks that shows us the Earths history

18.

  • If you find the fossil of a fish on the top of the mountain, what can you learn about the history of the mountain?
  • It was once under water

19.

  • What era is the Age of Reptiles?
  • Mesozoic Era

20.

  • How do petrified fossils form?
  • By all the tissue in an organism being replaced by minerals

21.

  • What type of rocks usually contain fossils?
  • Sedimentary

22.

  • How many years ago did dinosaurs become extinct?
  • About 65 million years ago