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Geologic Time & Fossils Flashcards | StudBud
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Geologic Time & Fossils
Geologic Time & Fossils
10 terms
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StudBud Administration
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115 plays
9th grade Earth Science appropriate.
Flashcards
10 cards
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Practice quiz
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Host live
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Questions
10
Answers
1
What class are you in right now?
History
Spanish
Science
Mathematics
2
A 250 million year old fossil is from which time period?
Devonian.
Permian.
Cambrian.
Quaternary.
3
What is the best evidence that Virginia has had many Geologic Time Periods?
Folded rock strata.
Sand & Gravel in the Coastal Plain.
Different aged fossils.
Stromatolites.
4
Which rock layer is the oldest?
3
4
1
2
5
Which layer is considered an igneous intrusion?
2
1
3
4
6
Finding a Bathyrus extans fossil in a rock strata dates that layer to what time period?
Cambrian.
Silurian.
Devonian.
Ordovician.
7
Which layer is the youngest/
3
4
1
2
8
Why are marine fossils (seashells) found in Virginia mountains?
The land was more flat and was once under seawater.---
Sea levels were much higher and covered the mountains.
There were larger tsunamis in the past..
9
Which of these is NOT a characteristic of an Index Fossil?
Lived on Earth a short time.
Widespread distribution.
Only lived in one area.
Easily recognizable.
10
Why do fossils seem to be found only in sedimentary rock?
Fossils only form in oceans.
Metamorphic rocks are too deep.
Igneous rocks form too slow.
It is a low heat environment.
