Home Forum Dictionary Articles Tutorials Books Directory Share your work


Edit page | Page history | Printable version

Dictionary » P » Phylum

Phylum

Definition

noun, plural: phyla or phylums

(1) A taxonomic rank at the level below Kingdom and above Class in biological classification, especially of animals.

(2) A group of Classes with similar distinctive characteristics.


Supplement

Examples: Class Mammalia (mammals), Class Aves (birds) and Class Ascidiacea (sea squirts) all belong to Chordate Phylum, which is a group of animals that have notochords at some time in their life cycle. Aside from Chordata, other well known phyla are the Mollusca, Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda and Echinodermata, which all belong to Kingdom Animalia.


Word origin: New Latin ph[ymacr]lum, from Greek phūlon, class.

Compare: division.
See also: taxonomy.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Natural selection is proven wrong

... NS is invalid as it cannot account for speciation Note Gould talks about speciation ie the appearance of new species And below Gould talks about phylum BUT scientists cannot tell us what a species or phylum is Consider another example: “vertebrates evolved from invertebrates.” But invertebrate ...

See entire post
by gamila
Wed Aug 26, 2009 3:18 pm
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16272

Natural selection is proven wrong

... step of evolution. how can you talk about speciation when biologist dont even know what a species is scientists cannot tell us what a species or phylum is quote http://en.wikipedia.org/wiki/Species "However, the exact definition of the term "species" is still controversial, particularly ...

See entire post
by gamila
Wed Aug 26, 2009 5:40 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16272

The Colin Leslie Dean species paradox

... species is wrong biologist dont know what species is * Edit post * Report this post * Reply with quote Biologists cannot tell us what a species or phylum is Postby gamila » Sat May 02, 2009 4:42 pm Biologists talk a lot about species phylum the origin of species speciation etc they talk about evolution ...

See entire post
by gamila
Wed Jul 22, 2009 1:02 pm
 
Forum: Evolution
Topic: The Colin Leslie Dean species paradox
Replies: 120
Views: 2138

Biologists cannot tell us what a species or phylum is

scientists cannot tell us what a species or phylum is quote http://en.wikipedia.org/wiki/Species "However, the exact definition of the term "species" is still controversial, particularly in prokaryotes,[2] and this is called the ...

See entire post
by gamila
Sat Jul 18, 2009 5:35 pm
 
Forum: Evolution
Topic: Biologists cannot tell us what a species or phylum is
Replies: 38
Views: 1907

The Colin Leslie Dean species paradox

d? I know exactly what a species is, scientists cannot tell us what a species or phylum is quote http://en.wikipedia.org/wiki/Species "However, the exact definition of the term "species" is still controversial, particularly in prokaryotes,[2] and ...

See entire post
by gamila
Sat Jul 18, 2009 5:34 pm
 
Forum: Evolution
Topic: The Colin Leslie Dean species paradox
Replies: 120
Views: 2138
View all matching forum results

This page was last modified 10:07, 21 July 2008. This page has been accessed 17,609 times. 
What links here | Related changes | Permanent link