PALEONTOLOGY REVIEW



GEOLOGIC TIME REVIEW- chapter 19 Name __________________

A geologic time scale without events will be provided

1. Identify common names of fossils from lab stations or pictures

trilobite horn coral

crinoid stromatolite

ammonite brachiopod

colonial coral fish

fern cephalopod

2.Explain why one era ended the next began:

Precambrian/Paleozoic

Paleozoic/Mesozoic

Mesozoic/Cenozoic

2B. What is the difference between a geologic era, period and epoch?

3. PRECAMBRIAN- Explain how the Earth formed. (pages 413-417 & Earth’s catastrophic past video) Include:

How core formed-

How oceans formed-

How first continents formed-

How an oxygen atmosphere formed-

How moon formed-

What was the first life? Describe-

Know the order of the above events.

4. PALEOZOIC

What was the dominate life form?

What did the globe look like?

What is Gondwandaland?

What is Laurasia?

When did most of the coal deposits form? Describe

When did first fish appear?

When was the age of fishes?

5. What happened at the end of the Paleozoic?

Describe the Great Dying. What caused it?

6. MESOZOIC

What was the climate like?

What was the dominate life?

What is the difference between Triassic dinosaurs and Cretaceous dinosaurs?

How were the continents arranged? What is this landmass called?

Explain evidence which supports the asteroid theory as the reason for dinosaur extinction.

Describe what information dinosaur footprints can give.

7. CENOZOIC

What was the dominate life?

What was the climate like?

When did humans appear?

Describe the difference between Mammoths and Mastodons.

When will the Cenozoic end?

Match the following words and phrases to the most appropriate time span. Select from:

PRECABRIAN, PALEOZOIC, MESOZOIC, CENOZOIC. Use chapter 19 to help you.

1. _____________________ “golden age of trilobites”

2. ____________________ stromatolites dominate

3. ____________________ The shortest Era

4. ____________________ age of dinosaurs

5 ____________________ Mastodons and Mammoths

6 ____________________ Triassic, Jurassic and Cretaceous

7 ____________________ ended due to an asteroid impact

8 ____________________ The “age of fishes” occurred during this span

9 ____________________ Pangaea began to break apart

10 ____________________ Age of mammals

11. ___________________ formation of oceans

12. ___________________ humans appear

13. __________________ formation of moon

14. __________________ 90% of Earth is underwater

15. __________________ dry climate

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