The following points highlight the three main types of metamorphosis in insects. The types are: 1. Ametabolic Metamorphosis 2. Heterometabolic Metamorphosis 3. Holometabolic Metamorphosis. Type # 1. Ametabolic Metamorphosis: In lower insects (Collembola, Thysanura) the young which hatches from an egg is a miniature of the adult and is called a nymph, it differs from the adult in having immature [...]
In this article we will discuss about Peripatus:- 1. Habit and Habitat of Peripatus 2. External Morphology of Peripatus 3. Body Wall 4. Locomotion 5. Body Cavity 6. Slime Glands 7. Digestive System 8. Circulatory System 9. Respiratory System 10. Excretory System 11. Nervous System 12. Sense Organs 13. Reproductive System 14. Development 15. Geographical Distribution 16. Affinities 17. Taxonomic [...]
In this article we will discuss about Echinodermata:- 1. Introduction to Echinodermata 2. History of Echinodermata 3. General Characters 4. Classification 5. Skeleton 6. Coelom 7. Relationship. Contents: Introduction to Echinodermata History of Echinodermata General Characters of Echinodermata Classification of Echinodermata Skeleton of Echinodermata Coelom in Echinodermata Relationship of Echinodermata 1. Introduction to Echinodermata: Echinodermata form a well defined and [...]