Answered: Describe the current 3-domain system of…

Describe the current 3-domain system of classification and explain why it replaced the old 5-kingdom system. Explain the major differences etween these two taxonomic systems.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter20: Phylogenies And The History Of Life

Section: Chapter Questions

Problem 6RQ: Which statement about the taxonomic classification system is correct? There are more domains than...

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Concept explainers

Evolutionary lineages

An evolutionary lineage is a series of populations of organisms that descend from a common ancestor. Each species in the lineage is the direct consequence of evolutionary change from a common ancestor. A phylogenetic tree is generally used to display lineages visually. Lineages are components of the phylogenetic tree of life. Molecular systematics procedures are widely used to predict lineages.

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

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