Question

Which of the following taxonomic levels contains organisms that share the most recent common ancestor? A. family; B. order, C. phylum; D. genus; E. class

Name: Problem 10, Chapter 10: Biology: Science for Life with Physiology
Uploaded: 2022-03-05T21:02:55-08:00
Duration: 1 min 4 s
Channel: Jonathan Temple
Description: Which of the following taxonomic levels contains organisms that share the most recent common ancestor? A. family; B. order, C. phylum; D. genus; E. class

   Which of the following taxonomic levels contains organisms that share the most recent common ancestor?
A. family; B. order, C. phylum; D. genus; E. class

Biology: Science for Life with Physiology

Colleen Belk,… 5th Edition

Chapter 10, Problem 10

Instant Answer

Solved by Expert Jonathan Temple

03/05/2022

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From broadest to most specific, the ranks are: domain, kingdom, phylum, class, order, family, genus, and species. Show more…

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Which of the following taxonomic levels contains organisms that share the most recent common ancestor? A. family; B. order, C. phylum; D. genus; E. class

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Key Concepts

Taxonomic Hierarchy

Taxonomic hierarchy is the systematic framework used to classify organisms into nested groups based on shared characteristics and evolutionary relationships. This structure ranges from broad categories like phylum down to more specific ones such as genus and species, with each descending rank representing an increasingly close shared ancestry.

Monophyly

Monophyly is the concept that a group of organisms contains a common ancestor and all of its descendants. It is central to modern taxonomy because classifications based on monophyletic groups reflect true evolutionary relationships and common ancestry.

Phylogenetics

Phylogenetics involves the study of evolutionary relationships among species using data like genetic and morphological characteristics. Through the construction of phylogenetic trees, it helps clarify how organisms diverged from common ancestors, thereby informing the classification within the taxonomic hierarchy.

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