Paraphyletic in Biological Definition

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 ...