In this article we will discuss about Neanthes Virens:- 1. Habit, Habitat and Distribution of Neanthes Virens 2. External Features of Neanthes Virens 3. Locomotion 4. Body Wall 5. Coelom 6. Digestive System 7. Respiration 8. Blood Vascular System 9. Excretory System 10. Nervous System 11. Sense Organs 12. Reproductive System and Others. Contents: Habit, […]
Neanthes Virens: Habitat, Locomotion and Development
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Excretory System of Nephridia (Earthworm)
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Excretory System of Nephridia (Earthworm)! These are of three types according to their location in the body: 1. Septal nephridia; 2. Integumentary nephridia 3. Pharyngeal nephridia. 1. Septal Nephridia: These are found situated on the inter-segmental septum between 15th and 16th segments to the posterior side of the body. Each septum bears nephridia on both […]
Economic Importance of Earthworm
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Economic Importance of Earthworm! Useful Affairs of Earthworms: The earthworms are better known as the friend of farmers due to the following reasons: 1. The earthworms improve the fertility of soil in different ways and, therefore, they are of utmost importance in agriculture. Actually, the burrowing and soil feeding habits of earthworms make the soil […]
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