In this article we will discuss about Arthropods:- 1. Integumentary System of Arthropods 2. Muscular System of Arthropods 3. Body Cavity 4. Digestive System 5. Circulatory System 6. Nervous System 7. Reproductive System 8. Life Cycle. Integumentary System of Arthropods: In all arthropods, the integument consists of: (i) An innermost extremely thin stellate cell layer, called basement membrane, (ii) A [...]
The following points highlight the four main stages involved in the life cycle of silkworm moth. The stages are: 1. Adult Moth 2. Eggs 3. Larva 4. Pupa and Imago. Stage # 1. Adult Moth: The adult moths are 25 mm in length and the span of wings is 40-50 mm. The female silkworm moths are larger than the males. [...]
The following points highlight the three main factors influencing the life cycle of silkworm. The factors are: 1. Extraction of Silk 2. Composition of Silk 3. Modern Sericulture. Factor # 1. Extraction of Silk: The continuous silken thread which builds the cocoon serves as the source of the silk of our requirement. As the adult emerges from the pupa, the [...]