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Fossils/ Geologic Time Scale B2 Flashcards | StudBud
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Fossils/ Geologic Time Scale B2
Fossils/ Geologic Time Scale B2
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A basic quiz prep on geologic time eras, and fossil types.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Paleozoic Period
Before the Dinosaurs
Dawn of the Dinosaurs
Time of the Dinosaurs
Last Day of the Dinosaurs
2
Identify this type of fossil
Trace
Preserved
Petrified
Carbon Film
3
What era of geological time do you live in?
Precambrian
Paleozoic
Mesozoic
Cenozoic
4
The largest divisions of geologic time are called...
Eons
Periods
Eras
Epochs
5
What era is the Triassic Period?
Paleozoic Era
Mesozoic Era
Cenozoic Era
Precambrian Time
6
What can fossils tell us?
What kind of environment they lived in
All of the above
We can determine how long they've been on earth
We can see that they are ancestors for other plants and animals today
7
Identify this type of fossil.
Trace (Cast)
Preserved
Petrified
Trace (mold)
8
Photosynthesis first began in this geologic time
Precambrian
Mesozoic
Cambrian
Paleozoic
9
How are chunks of time in the geologic timeline organized?
a time when fossils show that Earth's life forms were same
By the year when major fossils were found
the number of years since the extinction of dinosaurs
the same number of years.
10
What is the oldest geological era?
Cenozoic
Paleozoic
Mesozoic
Precambrian
11
Identify this type of fossil
Petrified
Trace
cast
Preserved organism
12
Geologic Time Scale
The exact age of something.
When rocks are broken down into smaller pieces.
The age of something based on its placement.
Arrangement of events to measure relative or absolute age of geologic time
13
A fossils forms when ...
things are dead
animals die and are eaten
water rushes over an organisms body
sediment quickly covers an organisms body
14
Which fossils are most likely the oldest?
C - Fern
B - bony fish
D - Trilobite
A - legbone
15
Why are there scientists that study fossils?
To learn about about the past history of life
To discover new ways of generating energy
To make jewelry
To determine how weather causes erosion
16
What was the Cambrian explosion
When the earth was lava
A huge explosion of new life on earth
A mass extinction that wiped out 97% of all species
A volcano eruption that happened 350 million years ago
17
How do fossils form?
It dies and quickly decays before turning into a mold
It's magic!
It dies, gets buried, minerals & pressure turn it to stone
It dies, gets buried under large rocks and turns to stone
18
Triassic Period
Dawn of the Dinosaurs
Time of the Dinosaurs
Last Day of the Dinosaurs
19
Fossils are found in _____.
sedimentary rock
formed a few years agoformed a few years ago
glacier
igneous rock
20
What are petrified fossils ?
stone
fossils that were once house pets
all of an organism that is replaced by minerals
when fossils appear to be really, really scared
