Monophyletic

Monophyletic
In phylogenetics, a group is monophyletic (Greek: of one stem) if all organisms in that group are known to have developed from a common ancestral form, and all descendants of that form are included in the group.
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Monophyletic taxon : A group composed of a collection of organisms, including the most recent common ancestor of all those organisms and all the descendants of that most recent common ancestor. A monophyletic taxon is also called a clade.
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Monophyletic
A clade that comprises an ancestral taxon and all of its descendants, and no other taxa.
Morphology
The study of the form of animals - usually external and often contrasted with anatomy, the study of the internal form.
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Monophyletic. Refers to a group of species that all have a single common ancestral species
Mucous-bag suspension feeder. Suspension feeder employing a sheet or bag of mucus to trap particles nonselectively ...
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monophyletic group A group of organisms descended from a common ancestor. For example: your immediate family may be considered such a group, being descended from a common ancestral group (grandparents, etc.).
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monophyletic groups Groups that contain an ancestor and all the descendants of that ancestor.
monophyletic origin A group of organisms that evolved from a single ancestral type.
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A monophyletic group is a clade, comprising an ancestral form and all of its descendants, and so forming one (and only one) evolutionary group.
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Monophyletic, paraphyletic, and polyphyletic trees
Taxonomists following cladistic analysis place taxa into clades based on the derived character states that the taxa share. For example, a wing is a character.
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A species must be monophyletic and share one or more derived character. There are two meanings to monophyletic (de Queiroz and Donoghue 1988, Nelson 1989).
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Phylogenetic analysis suggests that an ancestor of plants, fungi, and metazoa possessed Fpg and that a monophyletic group of Nei sequences exists. On the basis of phylogenetic analysis we classify one of the sequences as Fpg and the other as Nei.
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