Co-evolution of life and atmosphere Moving toward a stable Earth.
Evolution of life on Earth
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Evolution of life on Earth 4,500 million years of evolution
description
Evolution of life on Earth. 4,500 million years of evolution. Earth takes shape. Earth today 4,500 million years. 00:00. 06:00. 12:00. 18:00. 24:00. Evolution of life on Earth as a 24 hour clock. Evolution of life on Earth. 00:00. 06:00. 12:00. 18:00. 24:00. - PowerPoint PPT Presentation
Transcript of Evolution of life on Earth
Evolution of life on EarthEvolution of life on Earth
4,500 million years of evolution 4,500 million years of evolution
Evolution of life on EarthEvolution of life on Earth
Earth takes shape
Earth takes shape
Earth today
4,500 million years
Earth today
4,500 million years
Evolution of life on Earth as a 24 hour clock
00:00 12:00 24:0006:00 18:00
Evolution of life on EarthEvolution of life on Earth
Evolution of life on Earth as a 24 hour clock
00:00 12:00 24:0006:00 18:00
1 hour = 187.5 million years1 hour = 187.5 million years
1 min = 3.125 million years1 min = 3.125 million years
1 sec = 52 thousand years1 sec = 52 thousand years
24 hours = 4,500 million years24 hours = 4,500 million years
Evolution of life on Earth
00:00 12:00 24:0006:00 18:00
4am – First life Single cell microbes
8.30pm – First plants appear in sea
Evolution of life on Earth
20:00 22:00 24:0021:00 23:00
8.30pm – First plants appear in sea
8.50pm – First Ediacaran fauna and jellyfish appear in sea
Evolution of life on Earth
20:00 22:00 24:0021:00 23:00
9.04pm – Trilobites appear
Evolution of life on Earth
20:00 22:00 24:0021:00 23:00
9.55pm – First land plants appear
Evolution of life on Earth
20:00 22:00 24:0021:00 23:00
10.05pm – First land creatures appear
Evolution of life on Earth
20:00 22:00 24:0021:00 23:00
10.24pm – land covered by trees – first winged insects appear
Evolution of life on Earth
20:00 22:00 24:0021:00 23:00
10.55pm – Dinosaurs appear
Evolution of life on Earth
23:00 23:30 24:0023:15 23:45
10.55pm Dinosaurs appear
11.39pm – Dinosaurs disappear – mammals start to appear
11.42pm – Primates start to appear
Evolution of life on Earth
23:56 23:58 24:0023:57 23:59
23:58:43
Hominids species appears
23:59:18
Homo habilis species appears
23:59:57
Homo Sapiens Sapiens species appears
Evolution of life on Earth
00:00 12:00 24:0006:00 18:00
4am – First life Single cell microbes
8.30pm – First plants appear in sea
Evolution of life on Earth
00:00 12:00 24:0006:00 18:00
10.05pm – First land creatures appear
10.55pm Dinosaurs appear
Evolution of life on Earth
00:00 12:00 24:0006:00 18:00
11.39pm – mammals start to appear23:59:57
Homo sapiens sapiens species appears
Evolution of life on Earth
Presentation written by Andrew Trimble with reference to:
“A Short History of Everything” by Bill Bryson
