In this article we will discuss about Pearl:- 1. Meaning of Pearl 2. Chemical Composition of Pearls 3. Shape, Size and Colour 4. Formation 5. Species Used in Pearl Culture 6. Distribution of Pearl Oysters in Indian Waters 7. Pearl Fishery in Japan and Other Countries. Meaning of Pearl: Pearl is a spherical or irregular mass formed by the [...]
In this article we will discuss about Achatina:- 1. Distribution of Achatina 2. Habit and Habitat of Achatina 3. External Structures 4. Coelom 5. Digestive System 6. Locomotion 7. Respiratory System 8. Circulatory System 9. Excretory System 10. Nervous System 11. Reproductive System 12. Development. Contents: Distribution of Achatina Habit and Habitat of Achatina External Structures of Achatina Coelom of [...]
In this article we will discuss about Sepia:- 1. Habit and Habitat of Sepia 2. External Structures of Sepia 3. Coelom 4. Digestive System 5. Locomotion 6. Respiratory System 7. Circulatory System 8. Excretory System 9. Nervous System 10. Reproductive System 11. Development. Habit and Habitat of Sepia: Sepia is a typical representative of the class Cephalopoda. Members of this [...]