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Plant Evolution
Beginning of essay
A long 3000 million years ago the earth was not suitable for life as the atmosphere contained little to no oxygen and without this, deadly ultra violet rays from the sun bombarded the unprotected surface. This lead to life beginning in the ocean where it was safe from the sun's rays. It was here th ....
Middle of essay
....as that these seeds were able to survive dry periods, even long droughts and then germinate and grow when moisture became available.
Last but not least we have 'The Age of Flowering plants' beginning just over 100 years ago this was the fourth and last leap forward in the development of the world's plants. Unlike flowering plants cycads and conifers relied on winds to dispense pollen from male to female cones, the flowering plants attracted insects and birds to move pollen from males to females..... |
| Number of words: 832 |
Approximate pages: 4 |
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