Phylum Chordata Characteristics and Examples - UK Essays.
Hamza Ali; Introduction: The topic chosen for this biological study was the Kingdom Animalia. This study will specifically be analyzing the Phylum Chordata, by providing an introduction to Chordates, Vertebrates, The Classification method of Cladistics, Fish, Amphibian, and Reptiles.
Cephalochordata. The cephalochordates are the closest living relatives of the vertebrates. The group derives its name from the notochord that extends far forward into the head (farther than the brain, in contrast to vertebrates). The most famous representative of the group is Branchiostoma lanceolatus (also known as Amphioxus, or lancelet).There are about twenty-five living species of.
General Characters-Cephalochordata. Cephalochordata includes two genera, 1. Asymmetron and 2. Branchiostoma (Amphioxus). Cephalochordates are small fish like animals which show Chordate characters. The notochord extends the entire length of the body. They show a dorsal, tubular neural tube without a definite brain. General Characters: 1.
Acrania Haeckel, 1866. Cephalochordata are small, segmented marine animals that possess elongated bodies with a notochord that extends the length of the body, extending from head to tail, persisting throughout the animal's life. Cephalochordates are represented in modern oceans by the Amphioxiformes ( lancelets, also known as amphioxus ).
The outline classification of Urochordata according to Berrill (1950), Young (1981), Ruppert and Barnes (1994), Anderson (1998) and Pechenik (2000) has been given here in summarised form. We follow in this text book Marshall and Wiliam’s (1964) scheme of classification. Classification in Outline: Subphylum.
Suggestions for classification and division essay topics When it comes to classification essay topics, there are a lot to choose from. Here are some good examples. Classify the highest rated hotel resorts in Hawaii. Classify the most popular actors in Germany. Classify the most historically successful football teams in England.
Cephalochordata (Lancelets) Phylum Chordata. Class Cephalochordata. Number of families 1. Thumbnail description Exclusively marine species with slender, fish-like shape, tapered at both ends; easily recognized by the externally visible v-shaped lines that separate the iterated muscle blocks and by the oral cirri that guard the mouth opening against unwarranted particles.