In this article we will discuss about Sagitta:- 1. Habit and Habitat of Sagitta 2. External Structures of Sagitta 3. Body Wall 4. Coelom 5. Digestive System 6. Circulatory, Respiratory and Excretory Systems 7. Nervous System 8. Reproductive System 9. Development. Habit and Habitat of Sagitta: Sagitta is a marine planktonic animal which lives throughout […]
Sagitta: An Example of Phylum Chaetognatha
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Phylum Chaetognatha: History, Features and Affinities
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In this article we will discuss about Phylum Chaetognatha:- 1. History of Phylum Chaetognatha 2. Features of Phylum Chaetognatha 3. Affinities. History of Phylum Chaetognatha: 1. Slabber, in the year 1769, was the first worker to record Sagitta and he placed it in the order Intestina under phylum Vermis. 2. Since then extensive works on […]
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