|
|
Have you been looking all over the internet for a term paper? Stop looking now! Paper University has over 45,000 term papers all in one place. Our huge online paper library
has college papers on all sorts of topics and they are all available for downloading or printing immediately. If you are thinking this will cost an arm and a leg, you are
wrong! Get instant access to our members section for one low monthly price with no additional fees or long-term obligations. It doesn't matter if you are downloading one essay or one hundred.
Join today and get the essay writing help that you need.
Plant Evolution
Beginning of Paper
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. .... Middle of Paper .... years ago). Some of these developed root systems stems and leaves. They also formed woody tissue, which created stiffer stems, which eventually developed into tree trunks. They became tree-like and up to 40 meters tall, forming the world's first forest.
'The Age of Seed Bearing Plants' was the next stage of plant history where plants were taken to their next step up in the evolution. This occurred around 280 million years ago. This was also the dinosaur era. Earth began to become a lot drier, and these plants began to adapt to the ever so ....
832 words | 4 pages
Subscription Length |
Price |
Join |
30 days membership (recurring) |
$19.95 |
90 days membership (recurring) |
$39.95 |
180 days membership (non-recurring) |
$69.95 |
|
|
|
|
|