. What are vertebrates?In how many groups are vertebrates divided? 2. Explain the basis of grouping organisms in to five kingdom
Answers
Vertebrates Represent The Most Advanced Group of Organism. The Organisms falling in this group develop a rod-like structure called The Notochord at some stage of life. They are triploblastic and coelomate.
Vertebrates are mainly divided into 5 groups/classes :
1. Class Pisces.
2. Class Aves.
3. Class Mammalia.
4. Class Amphibia.
5. Class Reptilia.
They Are Divided Into Five Different Kingdom/classes on the basis of Whether They Are : Tetrapodus (Four Fingured) Or Pentadactyl (Five limbed) , Respiration By Lung , skin Or Gill , Their Hearts Are Either Two Chambered or Four Chambered Etc..
Answer:
Vertebrates include amphibians, reptiles, mammals, and birds, as well as the jawless fishes, bony fishes, sharks, and rays. More than 64,000 species of vertebrates have been described, but the extant vertebrate species represent only a small portion of all the vertebrates that have existed.