In this article we will discuss about the economic importance of insects. A. Beneficial Insects: Insects which produce honey, wax, lac, dyes and silk are commercially beneficial. Some insects are very helpful in destroying injurious insects. 1. Commercial Products: Apis, the honeybees produce millions of tons of honey every year, it also gives bees wax from its combs. Benefits of [...]
Mouth Parts in Insects! 1. Biting and Chewing: This type of mouth parts are supposed to be the most primitive type as the other types are believed to be evolved from biting and chewing type of mouth parts. These consist of the labrum forming upper lip, mandibles, first maxillae, second maxillae forming lower lip, hypo pharynx and the epipharynx. The [...]
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 [...]