In which of the following organisms is the ra | vedclass

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(A) The rate of appearance of new forms (evolutionary change) is directly proportional to the generation time and the frequency of reproduction. $E. c

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$E. coli$

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(A) The rate of appearance of new forms (evolutionary change) is directly proportional to the generation time and the frequency of reproduction. $E. coli$ is a bacterium with a very short generation time (approximately $20$ minutes). Because bacteria reproduce rapidly and have a high mutation rate per generation,they can evolve and show new forms much faster than complex multicellular organisms like fish,humans,or pangolins. Therefore,$E. coli$ exhibits the highest rate of appearance of new forms among the given options.

In which of the following organisms is the rate of appearance of new forms the highest?

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