In this article we will discuss about Earthworm:- 1. Habit and Habitat of Earthworm 2. External Structures of Earthworm 3. Locomotor Organs 4. Body Wall 5. Locomotion 6. Digestive System 7. Respiratory System 8. Circulatory System 9. Excretory System 10. Nervous System 11. Reproductive System. Contents: Habit and Habitat of Earthworm External Structures of Earthworm Locomotor Organs of Earthworm Body [...]
In this article we will discuss about Phylum Annelida:- 1. Taxonomic Retrospect of Phylum Annelida 2. Definition and Fossil Record of Phylum Annelida 3. Habit and Habitat 4. Generalised Characters 5. Specialised Characters 6. Features 7. Trend in Classification 8. Phylogenetic Relationship 9. Locomotion 10. Circulatory System 11. Respiratory System 12. Reproductive System 13. Nervous System 14. Regeneration. Contents: Taxonomic [...]
The upcoming discussion will update you about the difference between Coelom and Pseduocoelom. Difference # Coelom: 1. Fluid filled perivisceral cavity of most triploblastic animals (e.g., most annelids, echinoderms and vertebrates), situated between the body wall and gut. In arthropods and molluscs, it is not the perivisceral cavity; it forms the cavity of excretory organs and gonads and acts as [...]