What is Phylum?
Scientific way of groping related organisms. All members of a phylum have common ancestors and according to their anatomy, they are very similiar. Phyla is a group that keeps dividing into classes, orders, families, Genus and Species. All animals with a notochord, which means if they are vertebrates, they go into the Chordata's phyla. Also if they share.
Phylum Chordata:
Everyone knows animal phylum Chordata, because it includes humans and vertebrates. All chordata must have these characteristics, at least in some moment in their life. They have notochord at some moment, which is a line of cartilage that provides support to the animal. Most of the animals have backbone.
Sources'
- "Major Phyla Of Animals." Animal Phyla. N.p., n.d. Web. 27 Mar. 2016. <http://waynesword.palomar.edu/trnov01.htm#porifera>
- "How Phylums Are Used to Classify Organisms." About.com Education. N.p., n.d. Web. 27 Mar. 2016 <http://marinelife.about.com/od/glossary/g/Phylum.htm>