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Unit 5: Geologic Time Flashcards | StudBud
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Unit 5: Geologic Time
Unit 5: Geologic Time
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Osbourn High School Earth Science - Unit 5 Geologic Time
Flashcards
18 cards
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Practice quiz
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Questions
18
Answers
1
What type of fossil is this?
Original Remains
Mold
Replaced Remains
Cast
2
What layer was first? Layer A, B, C, D?
B
A
C
D
3
Did layer D form before layer A?
Yes
No
4
Which layer is the oldest?
3
1
2
4
5
Order the following Oldest to most recent: Age of Fish, Age of Mammals, Age of Dinosaur
Fish, Dinosaurs, Mammals
Mammals, Fish, Dinosuars
Dinosaurs, Fish, Mammals
6
Which layer is the youngest?
4
1
3
2
7
Identify one of the four characteristics of an Index fossil?
Rare
not recognizable
Long lived
Widespread
8
What layer was last? A, B, C, D?
A
B
D
C
9
Why are marine fossils found in the mountains of Virginia
The mountains were under the ocean
All of VA was under the ocean
10
Evidence that VA has had many geologic periods is the presence of many types of fossils.
False
True
11
According to the graph, 2 BYA atmospheric oxygen increased. due to what life form?
Plants
mammels
Angiosperms
Eukaryotes
12
Put the layers in order oldest to youngest
c.d.b.a,e
a,e,d,c,b
c,b,d,a,e
e,a,d,b,c
13
Put the intrusions in order from first to last.
Oldest Paw prints
Oldest - Green Shoes
Oldest - Wide Tire Tracks
Oldest - Motorcycle
14
What type of fossil is this?
Cast
Trace Fossil
Original Remains
Replaced Remins
15
What is the youngest lettered layer?
B
D
C
A
16
Why are fossils primarily preserved in sedimentary rock?
Magma
Heat & Pressure
Compaction & Cementation
17
Which layer is the intrusion?
4
2
1
3
18
Would a fossil most likely form from an animal _________.
dead along a road
Being washed up on a beach
Laying on the sea floor
Buried in a mudslide
