Feb 23, 2023 · For taxonomic hierarchy, there’s some sense in which the phylum and the species both have rigorous currency, however the intermediary levels are a kind of construct.

Nov 6, 2015 · Phylum and division are both listed under the same taxonomic ranks. The wikipedia page for phylum states that Traditionally, in botany the term division was used instead of "phylum", …

Aug 15, 2017 · Where in the "ranks" of taxonomy (domain, kingdom, phylum etc.) do common words used to describe animals such as amphibian and reptile fall?

Why are we using the term "incomplete" for digestive system only? We could have also said that for circulatory system that it is either incomplete or present as a simple system. What I me...

There are two major invertebrate subphyla of the chordates (phylum Chordata): Cephalochordata (the lancelets) Urochordata, aka Tunicata (the tunicates) My understanding is that the cephalochordates...

So I have trouble remembering the order of taxonomy for classification. i.e domain>kingdom>phylum>class>order>family>genus>species I can never remember it, is there an …

Oct 1, 2018 · So I may cite from Wikipedia: The term phylum was coined in 1866 by Ernst Haeckel from the Greek phylon (φῦλον, "race, stock"), related to phyle (φυλή, "tribe, clan"). [4] In plant taxonomy, …

Mar 2, 2016 · Vertebrates belong to the phylum chordata, but share some characters that make them unique. Chordates, with a few exceptions, are active animals with bilaterally symmetric bodies that …

A taxon (Plur. taxa) is any (monophyletic or not) group of species. For example the group of yellow flowers is a taxon. The group of primates is a taxon. The taxon of aquatic animals is a taxon. A clade …

Mar 11, 2024 · Here is a sample phylogenetic tree from a textbook publisher: We often ask questions like "Which organism is most closely related to the pig, the hedgehog or the cow?" I don't …