Life evolved in the sea. It stayed there for the majority of the history of earth. The first replicating molecules were most likely RNA. RNA is a nucleic acid similar to DNA. In laboratory studies it has been shown that some RNA sequences have catalytic capabilities. Most importantly, certain RNA sequences act as polymerases — enzymes that form strands of [...]
The following points highlight the top eight evidences of organic evolution of life. The evidences are: 1. Palaeontological Evidence 2. Geographical Evidence 3. Morphological Evidence 4. Embryological Evidence 5. Taxonomic Evidence 6. Physiological Evidence 7. Evidence from Artificial Selection 8. Evidence from Recent Progress of Evolution. 1. Palaeontological Evidence: Palaeontology is a branch of Geology which is concerned with the [...]
Read this essay to learn about: 1. The evolution of life – Virus, Mycoplasma and Rickettsiae 2. Evolution of the plant kingdom 3. Fossils 4. The ages of the earth 5. Gondwana land and 6. Glossopteris flora. The word evolution, arising from the Latin word evolvere (to unroll) means the development of something by natural processes. Thus, we may talk [...]