Respuesta :
Derived characteristics are characteristics that are shared by the clade, but which are not shared by the other related clades and which are not shared by the ancestors; but which evolved in this clad only.
So the correct answer is: They are newly evolved traits.
So the correct answer is: They are newly evolved traits.
Derived characteristics are newly evolved traits.
Further Explanation:
Derived characters (homoplasy) are the traits that are not inherited from the same ancestor possessing those characteristics. They can be an outcome of convergent evolution (refers to the independent evolution of similar features in species of different time periods).The shared derived characteristics show immediate common ancestry among organisms. It suggests that lineages having some common traits are more likely related according to the evolutionary perspective.By studying the closely related group known as about-group, the derived traits can be determined. If a character is derived independently in two organisms, there is a doubt regarding the same ancestry. Thus, there are few chances of grouping organisms with different ancestry together.
Shared derived characters ensure the common ancestry of the organisms that help in constructing phylogenies. All other derived traits can be a result of convergent evolution and hence can lead to a grouping of two non-related species.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Evolution
Keywords:
Derived characteristics, non-related species, common ancestry, convergent evolution, homoplasy, traits, phylogenies, traits, organism, different ancestry.
