Question

Why do scientists consider vestigial structures evidence for evolution? a. Vestigial structures are the result of convergent evolution, so they are good evidence that natural selection act similarly in similar environmental conditions. b. Vestigial structures are the result of common ancestry, so they are good evidence that different populations of organisms evolved from a common point. c. Vestigial structures are the result of convergent evolution, so they are good evidence for an end goal to evolution. d. Vestigial structures are the result of common ancestry, so they are good evidence for a common origin of all life.

Name: Problem 28, Chapter 18: Biology for AP Courses
Uploaded: 2023-05-15T15:56:36-08:00
Duration: 1 min 34 s
Channel: Marisa A

   Why do scientists consider vestigial structures evidence for evolution?
a. Vestigial structures are the result of convergent evolution, so they are good evidence that natural
selection act similarly in similar environmental conditions.
b. Vestigial structures are the result of common ancestry, so they are good evidence that different populations of organisms evolved from a common point.
c. Vestigial structures are the result of convergent evolution, so they are good evidence for an end goal to evolution.
d. Vestigial structures are the result of common ancestry, so they are good evidence for a common origin of all life.

Biology for AP Courses

Julianne Zedalis,…

Chapter 18, Problem 28

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Solved by Expert Marisa A

05/15/2023

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Vestigial structures are structures in an organism that have lost all or most of their original function in the course of evolution. These structures are often homologous to structures that are functioning normally in other species. Show more…

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Why do scientists consider vestigial structures evidence for evolution? a. Vestigial structures are the result of convergent evolution, so they are good evidence that natural selection act similarly in similar environmental conditions. b. Vestigial structures are the result of common ancestry, so they are good evidence that different populations of organisms evolved from a common point. c. Vestigial structures are the result of convergent evolution, so they are good evidence for an end goal to evolution. d. Vestigial structures are the result of common ancestry, so they are good evidence for a common origin of all life.

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Key Concepts

Common Ancestry

This fundamental concept in evolutionary biology proposes that different species share a common lineage. Evidence from vestigial structures, which are inherited remnants from ancestral forms, supports the understanding that diverse groups of organisms have evolved from common ancestors, leaving behind traces of past functionalities.

Vestigial Structures

These are anatomical features in organisms that have lost most or all of their original function over the course of evolution. Their existence supports the idea that species have evolved from ancestors in whom these structures were once useful, illustrating the concept of descent with modification.

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