Question
Wed February 27, 2013 By:
 

How does evolution exhibit a greater stability of molecular structure when compared to morphological structure?

Expert Reply
Fri March 08, 2013
Through the course of evolution, the basic molecules of life (nucleic acids, proteins, carbohydrates, fats) have remained the same or have been conserved. Many organisms also share a lot of metabolic pathways. However the morphology (the form and structure of organisms) have changed considerably. Eg. - The appearance of hydra, fish, plants, sponges, humans etc. are considerably different.
This shows a greater stability of molecular structure when compared with morphological structures.
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