In this article we will discuss about:- 1. Habitat of Hydra 2. External Feature of Hydra 3. Histology of the Body Wall 4. Feeding and Digestion Process 5. Locomotion 6. Respiration and Excretion Process 7. Reproduction 8. Life-History 9. Hydra in Relation to Higher Metazoan. Contents: Habitat of Hydra External Feature of Hydra Histology of the Body Wall in Hydra [...]
In this article we will discuss about:- 1. Habitat of Guinea-Pig 2. External Feature of Guinea-Pig 3. Skin 4. Body Cavity 5. Skeletal System 6. Alimentary System 7. Vascular System 8. Respiratory System 9. Nervous System 10. Receptor Organs 11. Endocrine System 12. Urinogenital System 13. Excretory System 14. Reproductive System 15. Breeding and Life-History. Contents: Habitat of Guinea-Pig External [...]
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 [...]