Please describe a phylogenetic tree

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1. Please describe a phylogenetic tree and explain what CAN be learned from it and what CANNOT be learned from it.

2. Please describe the current 3-domain system of classification and explain why it replaced the old 5-kingdom system. What major differences between these two taxonomic systems?

3. In order to categorize bacteria, scientists use various characteristics to classify them into groups. Please help to explain characteristics and tests used by microbiologists to assign bacteria to different taxonomic groups.

4. Some prokaryotes play essential roles in the ecology of the biosphere what are some examples that describe their impacts.

5. There are some examples of both harmful and beneficial prokaryotes. What are examples of some prokaryotes that are harmful to human health and several that are beneficial to human health. What is their role?

Reference no: EM132686648

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