In this article we will discuss about Balanoglossus:- 1. Derivation of Balanoglossus 2. Geographical Distribution of Balanoglossus 3. Habit and Habitat 4. External Structures 5. Body Wall 6. Supporting Structures 7. Locomotion 8. Coelom 9. Digestive and Respiratory Systems 10. Circulatory System 11. Excretory System 12. Nervous System 13. Reproductive System 14. Development 15. Affinities and Systematic Position. Contents: Derivation [...]
In this article we will discuss about Continental Drift:- 1. Continental Drift Theory 2. Peninsular India 3. Paleontological Evidence of Continental Drift 4. Physical Evidence of Continental Drift 5. Palaeoclimate 6. Explanation of the Continental Drift Theory in the Light of Vertebrate Distribution. Contents: Continental Drift Theory Peninsular India Paleontological Evidence of Continental Drift Physical Evidence of Continental Drift Palaeoclimate [...]
The upcoming discussion will update you about the difference between protostomes and deuterostomes. Difference # Protostomes: 1. Cleavage: Spiral, determinate or mosaic 2. Blastopore: Mouth develops from blastopore 3. Coelom: Schizocoelic (splitting of mesodermal) 4. Mesoderm: From 4d cell, proliferation 5. Arrangement of coelomic cavities: Variable in number 6. Larval type: Trochophore 7. Larval ciliary bands: Compound cilia from 1 [...]