In this article we will discuss about the evolution of plants and animals. Evolution of Plants: The first organism that existed on land were plants that occur before animals or other life forms: (i) Bryophytes were the first plant to colonies lands and were evolved before the vascular plants like pteridophytes and gymnosperms. (ii) Vascular plants first originated in Silurian [...]
The following points highlight the two categories of concept of emergence of living forms. The categories are: 1. Concept of Special Creation 2. Concept of Organic Evolution. Category # 1. Concept of Special Creation: The creationists believed that the existing forms of living organisms were brought in their present forms by Divine command. One of the greatest supporters of the [...]
Get the answer of: How Microbes Evolved on Earth? The Earth, which began to form 4.6 billion (4600 Ma = megaanum, or million years) ago, had a reduced atmosphere before life originated on it. It is thought that the reduced atmosphere of earth consisted largely of gaseous forms of nitrogen, hydrogen, carbon dioxide and water vapour; with smaller amounts of [...]