Question

why do you think classification system has undergone changes over years​

Answer 1

The classification system has changed over the years because a newly discovered organism may be very much like two groups of organisms biologists may disagree on which group to put the organism into.Answer:

Answer 2

Answer:

Answer:The classification systems have undergone several changes with time. ... Therefore, there were large numbers of organisms that could not be classified under the two kingdoms. So Ernest Haeckel then separated unicellular eukaryotic organisms into separate kingdom named Protista and hence gave three kingdom classification.

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