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Transcript

Geologic Time Analogy: 24 Hour Day

17 minutes and 12 seconds later...

Adaptive Radiation of Mammals

Dinosaurs Go Extinct

Close of the Mesozoic Era/ Beginning of the Cenozoic Era

65,000,000 years ago

4 minutes and 36 seconds later...

26 seconds and 29 milliseconds later...

There is no time analogy for our births because of how recent they are.

Mesozoic era ends at 23.5 hours

Paleozoic era ends at 22.5 hours

Cenozoic era era has so far made it to the 24 hour mark.

Angiosperms (Flowering Plants) on the scene

130,000,000 years ago

Pre-Cambrian era ends at 21 hours

1 second and 1 millisecond later

We are born!

about 14 years ago

Age of Homo erectus fossils from Ethiopia

600,000 years ago

Pleistocene Ice Age begins

Light from the Andromeda galaxy seen today left Andromeda

2,000,000 years ago

40 minutes and 36 seconds later...

31 minutes and 18 seconds later...

8 seconds and 9 milliseconds later...

14 seconds later...

Beginning of time

Oldest rocks in the Bahamas

125,000 years ago

Huge Mass Extinction at End of Permian Period/ Close of the Paleozoic Era

245,000,000 years ago

First Mammals

200,000,000 years ago

9 hours and 30 minutes later...

Origin of the Earth

4,600,000,000 years ago

about 1 millisecond later...

Columbus lands in New World

506 years ago

1 hour and 48 minutes later...

9 hours and 30 minutes later...

Explosion of life/ End of

Pre-Cambrian start of the Paleozoic Era

545,000,000 years ago

Oldest metazoan fossils

900,000,000

10 minutes and 54 seconds later...

6 minutes and 48 seconds later...

First land plant

458,000,000 years ago

Oldest fossil fish

510,000,000 years ago

25 minutes and 54 seconds later...

Amphibians evolve

375,000,000 years ago

Oldest evidence for life

3,800,000,000 years ago

2 minutes, 15 seconds, and 3 miliseconds later...

13 milliseconds later...

Grahams Harbor, San Salvador, and Bahamas flood due to rising sea level after ice sheets are reduced to modern day volume

7,000 years ago

19 minutes and 12 seconds later...

4 minutes and 36 seconds later...

2 seconds later...

First oxygen atmosphere/ ozone layer forms

2,000,000,000 years ago

27 milliseconds later...

New Discoveries of Australopithecus afarensis (Lucy) fossils from Ethiopia

3,400,000 years ago

12 minutes and 30 seconds later...

Last ice sheet retreats from northern U.S.

15,000 years ago

Homo sapiens appear in the fossil record

100,000 years ago

Oldest dated crustal rocks

3,900,000,000 years ago

Atlantic Ocean first opens

145,000,000 years ago

First Birds

160,000,000 years ago

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