Saturday, August 18, 2012

The Origin Of Plants


Life on Earth is divided into five (or sometimes six) kingdoms by scientists. We have so far concentrated mainly on the greatest kingdom, that of animals. In the preceding chapters, we considered the origin of life itself, studying proteins, genetic information, cell structure and bacteria, issues that are related with two other kingdoms, Prokaryotae and Protista. But at this point there is another important matter we need to concentrate on-the origin of the plant kingdom (Plantae).

We find the same picture in the origin of plants as we met when examining the origin of animals. Plants possess exceedingly complex structures, and it is not possible for these to come about by chance effects and for them to evolve into one another. The fossil record shows that the different classes of plants emerged all of a sudden in the world, each with its own particular characteristics, and with no period of evolution behind it.

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