In this article we will discuss about Subphylum Urochordata:- 1. Important Features of Subphylum Urochordata 2. Fossil history of Subphylum Urochordata 3. Scheme of Classification 4. Colony Formation. Important Features of Subphylum Urochordata: The subphylum Urochordata constitutes a unique group of animals under the, Phylum Chordata. The members of this subphylum exhibit a high degree of diversity in form, habit [...]
In this article we will discuss about Branchiostoma:- 1. Geographical Distribution of Branchiostoma 2. Habit and Habitat of Branchiostoma 3. External Structures 4. Body Wall 5. Supporting Structures 6. Locomotion 7. Digestive and Respiratory Systems 8. Mechanism of Feeding and Digestion 9. Circulatory System 10. Excretory System 11. Nervous System 12. Receptor Organs 13. Reproductive System and Other Details. Contents: [...]
The upcoming discussion will update you about the difference between lampreys and hagfish. Difference # Lamperys: 1. Habit and habitat: Live usually in the sea and migrate to the rivers for spawning. The adult are semi-parasitic but the larva leads independent life. 2. Shape of the body: The body is cylindrical and stout. 3. Fins: The dorsal fin is divided [...]