The following points highlight the thirty-six representative types of Arthropoda found in the world. Some of the types are: 1. Limulus 2. Spider 3. Aranea 4. Mites 5. Sarcoptes 6. Ixodes 7.Apus 8. Daphnia 9. Cypris 10. Cyclops 11. Lepas 12. Balanus 13. Sacculina 14. Mysis 15. Oniscus 16. Squilla 17. Hippa 18. Eupagurus 19. Cancer (Crab) 20. Julus 21. [...]
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 [...]
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 [...]