INTRODUCTION TO DENDROLOGY
IMPORTANCE OF DENDROLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Because there were too many types of bacteria to keep in one kingdom.
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Because scientists discovered the cell walls of archaea was different from the cell walls of other bacteria and allowed them to live in extreme environments.
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Because the electron microscope was invented and scientists wanted to add another kingdom so they could discover more bacteria.
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Because bacteria only included good bacteria and archaea only includes bad bacteria.
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Detailed explanation-1: -Why is archaea different from bacteria? Archaea is different from bacteria due to research which shows a closer evolutionary and genetic relationship to eukaryotes. Archaean DNA contains introns, like eukaryotes. Archaea also have three RNA polymerases, similar to eukaryotes.
Detailed explanation-2: -The Kingdom Monera had various prokaryotic organisms; some of them were bacteria, while others were archaea. Both these groups of organisms are now grouped as separate domains. Since a kingdom cannot have organisms of different domains, the Kingdom Monera is now regarded as invalid.
Detailed explanation-3: -In 1977, Carl Woese proposed dividing prokaryotes into the Bacteria and Archaea (originally Eubacteria and Archaebacteria) because of the major differences in the structure and genetics between the two groups of organisms.