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Biology

Give detailed conclusion on phylogenetic species concept

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 7RQ: On a phylogenetic tree, which term refers to lineages that diverged from the same place? sister taxa...

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

Give detailed conclusion on phylogenetic species concept

Expert Solution

Step 1

Species concepts were first defined based on morphological traits. Morphological characters are typically those most easily observed, although the level of observation can have large effects on species identification and definition.

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