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Paraphyletic in Biological Definition

Paraphyletic

In phylogenetics , a grouping of organisms is said to be paraphyletic ( Greek para = near and phyle = race) if all the members of the group have a common ancestor , but the group does not include all the descendants of the most recent common ancestor of all group members. Groups whic...

Animal

... a fan of cilia around the mouth, called a lophophore . These were traditionally grouped together as the lophophorates, but it now appears they are paraphyletic , some closer to the Nemertea and some to the Mollusca and Annelida. They include the Brachiopoda or lamp shells, which are prominent in the fossil...

Cladistics

...tic techniques, but allow both monophyletic and paraphyletic groups as taxa . A monophyletic group is a...orming one (and only one) evolutionary group. A paraphyletic group is similar, but excludes some of the desce...ile. Similarly, the traditional Invertebrates are paraphyletic because Vertebrates are excluded, although the lat...

Monophyletic

...ot their common ancestor is called polyphyletic , and a group that contain some but not all descendants of the most recent common ancestor is called paraphyletic . For example, all organisms in the genus Homo are believed to have come from the same ancestral form in the family Hominidae , and no other de...

Animal

... a fan of cilia around the mouth, called a lophophore . These were traditionally grouped together as the lophophorates, but it now appears they are paraphyletic , some closer to the Nemertea and some to the Mollusca and Annelida. They include the Brachiopoda or lamp shells, which are prominent in the fossil...

Protist

...rotista or Protoctista, first introduced by Haeckel . The protists are a paraphyletic grade, and aside from a relatively simple organization, there are not many...ngdom Chromista , in which case the remaining protists may be treated as a paraphyletic kingdom Protozoa. The classification of protists in general has undergone...

Protist

...rotista or Protoctista, first introduced by Haeckel . The protists are a paraphyletic grade, and aside from a relatively simple organization, there are not many...ngdom Chromista , in which case the remaining protists may be treated as a paraphyletic kingdom Protozoa. The classification of protists in general has undergone...
Paraphyletic in Biological Dictionary

Paraphyletic

In phylogenetics, a group of organisms is said to be paraphyletic if the group contains its most recent common ancestor but does not contain all the descendants of that ancestor. ... ( paraphyletic ) (unranked): Sauria. Order: Squamata ( paraphyletic ) ... usually placed in the subfamil...

Synapomorphy

... ( si′napə′mörfē ) ( systematics ) A derived trait shared by two or more taxa that is believed to reflect their shared Paraphyly Reptiles are a paraphyletic group. The group can be made ... Synapomorphy · Phylogenetic tree · Phylogenetic network · Long branch attraction ... Synapomorphy : An apomorp...

Monophyletic

...eet Wikipedia's quality standards. ... In common cladistic usage, a monophyletic group is a clade, consisting of an ... Paraphyly Reptiles are a paraphyletic group. The group can be made monophyletic by including the birds (Aves) ... 1 Relation to monophyletic groups. 2 Examples ... Monophyletic ...

Invertebrates

... An invertebrate is an animal without a vertebral column. ... Invertebrates form a paraphyletic group. ... Online Dictionary of Invertebrate Zoology. ... Invertebrates are the most abundant creatures on earth, crawling, flying, ... Inver...

Algae

...to be " ... And their solution to the algae problems in your pond is to filter the heck out of the water. ... The algae are a polyphyletic and paraphyletic group of organisms. ... There were several primary symbioses between eukaryotes and blue green algae . ... GreenFuel's high yield algae farms...
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