Day 7 powerpoint time on a clock
9
History of the Earth In a single day. Courtesy: NASA / Goddard Space Flight Center
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Transcript of Day 7 powerpoint time on a clock
![Page 1: Day 7 powerpoint time on a clock](https://reader036.fdocuments.in/reader036/viewer/2022062707/55823261d8b42a0d368b4672/html5/thumbnails/1.jpg)
History of the EarthIn a single day.
Courtesy: NASA / Goddard Space Flight Center
![Page 2: Day 7 powerpoint time on a clock](https://reader036.fdocuments.in/reader036/viewer/2022062707/55823261d8b42a0d368b4672/html5/thumbnails/2.jpg)
12.00 to 4.00am
• No life• A planet with
poisonous gases in the air, no soil and a hot sea.
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4.00am to 8.00pm
Single celled organisms,
called stromatolites,
begin to produce oxygen.
![Page 4: Day 7 powerpoint time on a clock](https://reader036.fdocuments.in/reader036/viewer/2022062707/55823261d8b42a0d368b4672/html5/thumbnails/4.jpg)
Just before 8.30pm
• First marine plants
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8.50pm
• Jellyfish and simple diblastic organisms
![Page 6: Day 7 powerpoint time on a clock](https://reader036.fdocuments.in/reader036/viewer/2022062707/55823261d8b42a0d368b4672/html5/thumbnails/6.jpg)
Just after 9.00pm
• Trilobites and creatures of the Burgess Shale
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10.00pm
• Plant life of the carboniferous and the first land creatures.
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11.00pm to 11.45pmReign of the Reptiles – Dinosaurs Rule!
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1 minute and 17 seconds to midnight
First humans appear.