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What is the term for a functionless anatomical structure that is evidence of an organisms' evolutionary past?
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∙ 13y ago
vestigial structure
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Wiki User
∙ 13y ago
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Which structure has been present in Earth's living organisms for the least amount of evolutionary time?
nuclei
Why the homologous structures are evidence of evolutionary relationship?
They show similarities between organisms structure. if the similarities are large then it shows that those organisms share a common ancestor.
What is vestigal structure?
Vestigial structures are anatomical structures of organisms in a species which are considered to have lost much or all of their original function through evolution.
What is the anatomical structure known as the windpipe?
The Trachea
Which anatomical structure of the heart has the greastes mass?
Left ventricle
What is the term for a reduced often functionless anatomical structure that serves as evidence of an organisms evolutionary past?
vestigial structure
Organisms are grouped into a five-kingdom classification system based on their structure and?
evolutionary relationships
Which structure has been present in Earth's living organisms for the least amount of evolutionary time?
nuclei
What evidence do scientists use to make phylogenetic trees?
Phylogenetic trees represent hypotheses about the evolutionary relationships among a group of organisms. A phylogenetic tree may be built using morphological (body shape), biochemical, behavioral, or molecular features of species or other groups.
Why the homologous structures are evidence of evolutionary relationship?
They show similarities between organisms structure. if the similarities are large then it shows that those organisms share a common ancestor.
What anatomical structure do mammals have that is involved in the process of ventilation?
What anatomical structure do mamals have that is involved in the proces of ventilation?
What is vestigal structure?
Vestigial structures are anatomical structures of organisms in a species which are considered to have lost much or all of their original function through evolution.
What is a vestigal structure?
Vestigial structures are anatomical structures of organisms in a species which are considered to have lost much or all of their original function through evolution.
How many pages does The Structure of Evolutionary Theory have?
The Structure of Evolutionary Theory has 1433 pages.
What similarities and differences could you look at when you classify organisms?
Organisms are classified by their: * physical structure (how they look) * evolutionary relationships * embryonic similarities (embryos) * genetic similarities (DNA) * biochemical similarities
When was The Structure of Evolutionary Theory created?
The Structure of Evolutionary Theory was created on 2002-03-21.
What is the ISBN of The Structure of Evolutionary Theory?
The ISBN of The Structure of Evolutionary Theory is 0-674-00613-5.
