Explain phylogenetic or cladistic classification, Biology

Assignment Help:

Phylogenetic or Cladistic Classification

Phylogeny plays a great role in classification. It is the  appropriate theoretical background for taxonomy and is quite essential in explaining all the associations involved in classification. Some people believe phylogenetic and evolutionary classification are similar to each other since they both are based on the features derived from a common ancestor while some other consider as different approaches. Cladistic classification is exclusively based on phylogenetic branching. Cladistic phylogeny, in opposition to numerical phenetics, includes an attempt to map the sequence of phyletic branching through a determination of characters that are shared primitive (symplesiomorphic) and shared derived (synapomorphic).But, to date there is no true phylogenetic classification for any group of animals except (to some extent) that of horses. This is due to incomplete fossil record and also becausethe comparative data collected through other approaches fail to possibly give a clear picture by itself. Thus, cladistic taxonomic system attempts to communicate only genealogy. There is no attempt to express the degree of overall similarity of the organisms in such classification systems.

 


Related Discussions:- Explain phylogenetic or cladistic classification

What is the autotrophic hypothesis on the origin of life, What is the autot...

What is the autotrophic hypothesis on the origin of life? The autotrophic hypothesis on the origin of life asserts that the first living beings on earth were producers of thei

Metabolism of fructose, Fructose is an abundant sugar in the human diet; su...

Fructose is an abundant sugar in the human diet; sucrose (table sugar) is a disaccharide that when hydrolyzed yields glucose and fructose and fructose is also a major sugar in hone

Disaccharides, DISACCHARIDES They are oligosaccharides composed of t...

DISACCHARIDES They are oligosaccharides composed of two monosaccharide residues . Three common disaccharides are    sucrose (glucose + fructose) = cane suger maltose

Gastrointestinal hormones, Gastrointestinal Hormones The three main ma...

Gastrointestinal Hormones The three main mammalian gastrointestinal hormones are secretin, gastrin and cholecystokinin (CCK). There are several other hormones all peptides. Th

Regulation of respiration in a child, Describe the factors that are involve...

Describe the factors that are involved in the regulation of respiration in a child who decides to hold his/her breath for as long as possible.

What do you mean by the good and bad cholesterol, Q. What are the so-called...

Q. What are the so-called "good" and "bad" cholesterol? Lipoproteins are complexes made of lipids (cholesterol and triglycerides) and proteins. The lipoproteins present differe

Build a complete evolutionary branch of vertebrates, Q. What are the six cr...

Q. What are the six criteria used to build a complete evolutionary branch of vertebrates? Dichotomy in each of the six following criteria builds the vertebrate evolutionary bra

Of which main compounds is the mitochondrion structure made, Of which main ...

Of which main compounds is the mitochondrion structure made? Mitochondria are organelles delimited by two lipid membranes. The inner membrane invaginates to the interior of the

Phosphorylation, Phosphorylation is the addition of the phosphate monoeste...

Phosphorylation is the addition of the phosphate monoester to a macromolecule, catalyzed by a particular kinase enzyme. With respect to the proteins, particular amino acid side ch

Define the medical status of the patient - implant, Medical status of the p...

Medical status of the patient Conditions like osteoporosis, history of radiotherapy, use of bisphosphonates which can affect the success of the treatment should be considered b

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd