
Chapter 25: The History of Life on Earth
Authored by Kyla Cymone
Biology
University
Used 2+ times

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19 questions
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1.
MATCH QUESTION
15 mins • 3 pts
Match the following dates to what occurred at the time.
1.8 BYA
jawed vertebrates appeared
2.7 BYA
atmospheric oxygen
535 MYA
cambrian explosion
440 MYA
prokaryotic cells appear
3.5 BYA
eukaryotic cells appear
2.
MATCH QUESTION
15 mins • 3 pts
Match the following dates to what occurred at the time.
140 MYA
tetrapods
195,000 YA
flowering plants
500 MYA
land is colonized
375 MYA
humans
3.
MATCH QUESTION
15 mins • 3 pts
Match the following dates to what occurred at the time.
66 MYA
Paleozoic Era
2.5 MYA
Mesozoic Era
541 MYA
Cenozoic Era
252 MYA
Neoproterozoic Era
4.
MATH RESPONSE QUESTION
15 mins • 2 pts
How many billions of years ago did first life appear?
Mathematical Equivalence
ON
5.
MATH RESPONSE QUESTION
15 mins • 2 pts
How many billions of years ago did the first oxygen producers arise?
Mathematical Equivalence
OFF
6.
MATH RESPONSE QUESTION
15 mins • 2 pts
How many billions of years ago did the first eukaryotic organism appear?
Mathematical Equivalence
OFF
7.
MATH RESPONSE QUESTION
15 mins • 2 pts
How many billions of years ago did the first multicellular organism appear?
Mathematical Equivalence
OFF
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