Here is a list of eleven important phylum:- 1. Phylum Protozoa 2. Phyllum-Porifera 3. Phylum Cnidaria 4. Phylum Ctenophora 5. Phylum Platyhelminthes 6. Phylum Nemathelmlnthes 7. Phylum Annelida 8. Phylum Arthropoda 9. Phylum Mollusca 10. Phylum Echinodermata 11. Phylum Chordata. 1. Phylum Protozoa (Approximately 30,000 Known Species): Unicellular Animals like Amoeba, Paramoecium, Monogystis and Malaria parasite. Protozoa are microscopic in [...]
In this article we will discuss about the physical organization of the animal body. The animal body is composed of one or more cells. The simplest animals are the unicellular protozoa. In such a primitive group, a single cell forms the entire organism, and the living matter of the cell has to carry on all the vital activities, such as [...]
In this article we will discuss about the meaning and classification of phylum cnidaria. Meaning of Phylum Cnidaria: The phylum Cnidaria (coel=hollow; enter on—gut) includes the simplest of the cellular animals or xnetazoa. The coelenterate body is a two-layered sac, opening to the exterior by a single aperture called mouth. The mouth is surrounded by a number of tentacles and [...]