3093534
Description
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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Question 1
Question
1) When do we have the first certainty of life?
Answer
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Archean eon
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Proterozoic eon
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Hadean eon
Question 2
Answer
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25 billion years
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2.5 billion years
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2.5 million years
Question 3
Question
What happened with the oxygen first released by cyanobacteria?
Answer
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It began to be used by living things
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It began to saturate the iron
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It killed the rest of living things
Question 4
Question
What type of record do we have to use for knowing when oxygen was accumulated first?
Answer
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Geological records
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Environmental records
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Fossil records
Question 5
Question
What was GOE (great oxygenation event)?
Answer
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An increasing of atmospheric oxygen 4.8 million years ago
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It becomes an oxygen rich enough environment for eukaryotic cells
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The mayor increasing of oxygen ever in our planet
Question 6
Question
Why GOE is also known as the “Oxygen Catastrophe”
Answer
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It produced the biggest fire ever
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It oxidized all living things
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It killed next to all anaerobic living things (greatest extinction ever)
Question 7
Question
Why U.V radiation prevent from life arising on land?
Answer
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It avoided aquatic living things from come out from water
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It produced important damage on DNA
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It produced sunburn on living things
Question 8
Question
What element permits us to live on land nowadays?
Answer
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The greenhouse effect
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The ozone layer
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The high concentration of O2
Question 9
Question
What is the relationship between GOE and U.V radiation that allow us to dwell on land?
Answer
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The ozone/oxygen cycle
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The oxygen/U.V radiation interaction
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The oxygen/ozone interaction
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