In 1859, charles darwin wrote, "the affinities of all the beings of the same class have sometimes been represented by a great tree... As buds give rise by growth to fresh buds, and these if vigorous, branch out and overtop on all sides many a feebler branch, so by generation i believe it has been with the great tree of life, which fills with its dead and broken branches the crust of the earth, and covers the surface with its ever branching and beautiful ramifications." at the base of the evolutionary tree of all life is __________.
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Answer:
at the base of the evolutionary tree of all life is about living organisms
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The correct answer is Actinobacteria.
Explanation:
- Recent research on the proteins associated with ribosomes show that at the base of the phylogenetic tree are the Actinobacteria.
- Ribosomal proteins were chosen for studying evolutionary relationships as they are one of the proteins which remained conserved through evolution and they vary inter-specifically.
- Actinobacteria are a group of bacteria having high content of GC base pairs in their DNA. They are found in both aquatic and land habitat.
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