In this article we will discuss about of Neopilina:- 1. Discovery of Neopilina 2. Habit and Habitat of of Neopilina 3. External Structure 4. Coelom 5. Digestive System 6. Locomotion 7. Respiratory System 8. Circulatory System 9. Excretory System 10. Nervous System and Sense Organs 11. Reproductive System 12. Relationships with other Molluscs. Contents: Discovery of Neopilina Habit and Habitat [...]
In this article we will discuss about Phylum Rotifera:- 1. Taxonomic History of Phylum Rotifera 2. Characteristics of the Phylum Rotifera 3. Classification 4. Affinities. Taxonomic History of Phylum Rotifera: 1. Leeuwenhock (1703) first discovered rotifers with his newly invented microscopes. 2. Linnaeus and Lamarck regarded rotifers as protozoa. 3. Ehrenberg (1838) also placed rotifers in a distinct class under [...]
Learn about the comparison between respiratory organs of Unio and Pila. Comparison # Unio: 1. Modes of respiration in Unio is aquatic. 2. Respiratory organs in Unio are primarily the gills. Highly vascular mantle also acts as an accessory respiratory structure. 3. Two highly developed symmetrical gills are situated one on each side of the body of Unio. 4. Structure [...]