In this article we will discuss about the external structures of Crustaceans, Myriapods, Insects and Chelicerates. 1. Head: In Crustacea, the head is formed by the fusion of six segments. The organisation of head varies in different Crustaceans. In Cephalocarida and Branchiopoda, the head is free from thorax. In free-living Copepods, only the first thoracic […]
Crustaceans, Myriapods, Insects and Chelicerates
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Arthropods: Habitat, Classification and Phylogeny
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In this article we will discuss about Arthropods:- 1. Taxonomic History of Arthropods 2. Definition of Arthropods 3. Habit and Habitat 4. Classification 5. Phylogeny. Taxonomic History of Arthropods: The earliest record of the study of arthropods is available from the work of Aristotle (384-322 B.C.), who coined the term Malacostraca to include crabs and […]
Study Notes on Peripatus
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Study Notes on Peripatus:- 1. Geographical Distribution of Peripatus 2. Habit and Habitat of Peripatus 3. External Structures 4. Integumentary System 5. Muscular System 6. Locomotion 7. Body Cavity 8. Digestive System 9. Respiratory System 10. Vascular System 11. Excretory System 12. Nervous System 13. Reproductive System. Contents: Geographical Distribution of Peripatus Habit and Habitat […]
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