What does the term 'Cambrian explosion' refer to?
Time Periods Quiz

Passage
•
Biology
•
10th Grade
•
Hard
Mrs Adriaans
Used 1+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The dominance of reptiles
The diversity of life forms that appeared in a short period
The extinction of dinosaurs
The first mammals on Earth
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many mass extinctions have occurred throughout history?
Three
Five
Seven
Ten
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of life on Earth was lost during the mass extinction 250 million years ago?
100%
90%
70%
50%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which period is known for the extinction of dinosaurs?
Cretaceous
Permian
Triassic
Jurassic
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of plants dominated during the Triassic period?
Ferns
Gymnosperms
Mosses
Flowering plants
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which group of animals first evolved during the Devonian period?
Insects
Reptiles
Mammals
Birds
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What significant event is associated with the Quaternary period?
First flowering plants
Extinction of large mammals
First amphibians
First vertebrates appeared
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