The Origins of Life

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  • Created by: Curlot
  • Created on: 14-08-13 13:42
When do scientists think life first began?
3-4 Billion years ago
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What can we use to evidence gases in the atmosphere?
Plant Fossils
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When did the dinosaurs die out?
65 Millions years ago
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Fossils can only be made in certain conditions, they are very ?
Specialised
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What began to develop 4 million years ago?
Two legged mammals
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What was the concentration of CO2 in the atmosphere 4.5 billion years ago?
98%
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Card 2

Front

What can we use to evidence gases in the atmosphere?

Back

Plant Fossils

Card 3

Front

When did the dinosaurs die out?

Back

Preview of the front of card 3

Card 4

Front

Fossils can only be made in certain conditions, they are very ?

Back

Preview of the front of card 4

Card 5

Front

What began to develop 4 million years ago?

Back

Preview of the front of card 5
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