- External Anatomy (exoskeleton, head, mouh parts, thorax, locomotory organs, abdomen, growth and development - Egg Structure, embryogenesis, morphogenesis, internal anatomy and physiology - Endocrine system, hormonal control ontogenesis, molting, metamorphosis - Digestive & excretory systems, respiratory system circulatory system,  - Respiration in aquatic insects and parasites - Reproductive system - Nervous System - Insect Senses: mechanoreceptors, chemoreceptors, photoreceptors, colorvision
         
         
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