Paraphyletic

Cladistics

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

Paraphyletic

... , a grouping of organisms is said to be paraphyletic ( Greek para = near and phyle = race) if ... . The former is more common, but sometimes paraphyletic groups are also considered monophyletic, in which ... used. Many of the older classifications contain paraphyletic groups, especially the traditional 2-6 kingdom ...

Protist

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

Protist

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

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 ...

Monophyletic

... 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 ...

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 ...

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Paraphyletic in Biological Dictionary

Paraphyletic

... a group of organisms is said to be paraphyletic if the group contains its most recent common ... all the descendants of that ancestor. ... ( paraphyletic ) (unranked): Sauria. Order: Squamata ( paraphyletic ) ... usually placed in the subfamily Scincinae ...

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 ...

Monophyletic

... 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, ... ...

Algae

... 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 ...