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3093668
10.- Biodiversity flourishes in Phanerozoic eon
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https://www.khanacademy.org/science/cosmology-and-astronomy/life-earth-universe/history-life-earth-tutorial/v/biodiversity-flourishes-in-phanerozoic-eon
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cultura científica 1º bach 1ºtrimestre
2.- origin of life
básica media
Quiz by
PEDRO ALVAREZ JIMENEZ
, updated more than 1 year ago
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Created by
PEDRO ALVAREZ JIMENEZ
over 9 years ago
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Resource summary
Question 1
Question
In multicellular organisms, how can they get variation of DNA?
Image:
c8b339fe-9588-42ab-b572-02e08f162389.gif (image/gif)
Answer
With a high rate of mutations
With sexual reproduction
Only with recombination
Question 2
Question
Why did the ozone layer allow life on land?
Image:
68686159-e34a-4a69-becc-34aad8837188.gif (image/gif)
Answer
It protected from U.V radiation
It protected from very high oxygen concentration
It protected from high temperatures
Question 3
Question
List the 3 eras that make up the Phanerozoic Eon
Image:
116726cf-f43f-4d2c-9fec-9d7fa2413968 (image/jpg)
Answer
Paleozoic, Mesozoic and Phanerozoic
Paleozoic, Mesozoic and Cenoloic
Paleozoic, Mesozoic and Cenozoic
Question 4
Question
What was the Cambrian Explosion?
Image:
1f242829-024e-4ad7-a2cf-ca0f3d4de984 (image/png)
Answer
A period of high rate of volcanic activity
An great increasing of biodiversity
The killing of the most of microorganisms
Question 5
Question
Where did the meteorite that wiped out dinosaurs fall?
Image:
83982f1b-08fb-4a19-820f-33a9f40fd66d.gif (image/gif)
Answer
In the Gobi desert
In the middle of the Atlantic Ocean
In the Yucatán Peninsula
Question 6
Question
Which one of this two appeared before, flowers or grass?
Image:
d7c52980-76e1-4318-a95b-7b2e81ebc026 (image/jpg)
Answer
Flowers and then grass
Grass and then flowers
Both of them at the same time
Question 7
Question
How old is our specie?
Image:
2318c57a-72c0-45ac-832a-85d69474990c.gif (image/gif)
Answer
20000 years ago
200000 years ago
2000000 years ago
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