In this article we will discuss about:- 1. Habitat and External Feature of Ascaris 2. Body Wall and Cavity of Ascaris 3. Alimentary System 4. Excretory System 5. Nervous System 6. Reproductive System 7. Life-History. Contents: Habitat and External Feature of Ascaris Body Wall and Cavity of Ascaris Alimentary System of Ascaris Excretory System of Ascaris Nervous System of Ascaris [...]
In this article we will discuss about the economic importance of insects. Some insects are useful to man, while many are harmful and le injury is to such an extent that it has threatened the existence of man on this globe. For both the reasons, insects are of great economic importance and its study constitutes the subject matter of entomology, [...]
In this article we will discuss about:- 1. Habitat of Cockroach 2. External Morphology of Cockroach 3. Body Cavity 4. Alimentary System 5. Vascular System 6. Respiratory System 7. Excretory System 8. Nervous System 9. Receptor Organs 10. Reproductive System. Contents: Habitat of Cockroach External Morphology of Cockroach Body Cavity of Cockroach Alimentary System of Cockroach Vascular System of Cockroach [...]