What are the 6 classes of Chordata?
The classes of the Phylum Chordata are the Amphibia, the Reptilia, the Fish, the Birds, and the Mammalia. Amphibians include frogs, salamanders, toads, newts, and some less familiar animals, such as caecilians.
What are the 5 major classes in the phylum Chordata?
The phylum chordata (animals with backbones) is divided into five common classes: fish, amphibians, reptiles, mammals and birds.
What are the 8 vertebrate classes?
Terms in this set (8)
- agnatha. -jawless fish. -mouth is modified as a sucker.
- placoderms. -armored fish. -body covered in heavy armor plates.
- chondrichthyes. -cartilage fish. -skeletons made of cartilage.
- osteichthyes. -bony fish.
- amphibians. -smooth skin.
- reptiles. -scaly skin.
- aves. -birds.
- mammals. -have fur or hair.
What are the five classes of chordates?
Chordata Phylum . Chordata are typically known to have spines (they are vertebrates). The most primitive chordates had no spines, but quickly developed. Chordates are classified into 5 classes: Mammals, Fish, Amphibians, Birds, and Reptiles.
How many classes of chordate are there?
Phylum Chordata is classified into three subphyla, namely. Urochordata (tunicates), Cephalochordata ( lancelets ) Vertebrata (vertebrates).
What are the four characteristics all Chordata must possess?
Characteristic Features of Phylum Chordata They are bilaterally symmetrical and triploblastic. Chordates are coelomate and show an organ system level of organisation. They have the characteristic notochord, dorsal nerve cord, pharyngeal slits. Also, they have a post-anal In this phylum, the nervous system is dorsal, hollow and single. The heart is ventral, with a closed circulatory system.
What are some interesting facts about chordates?
Facts about Chordates tell the readers about the animals included in phylum Chordata . The physical characteristics of Chordates are noticed on the presence of a post-anal tail, pharyngeal slits a notochord, an endostyle and a hollow dorsal nerve cord. The anus of chordates will be formed before the mouth. Therefore, it is included as deuterostomes.