In this article we will discuss about the structure of Polynoe with the help of a diagram. 1. It is a marine, carnivorous & phosphorescent worm found buried under stones & pebbles. 2. Animals are bilaterally symmetrical,, triploblastic, metamerically segmented and coeiomate. 3. A distinct head is present and body comprises of 12-15 segments. […]
Structure of Polynoe (With Diagram) | Zoology
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Structure of Terebella (With Diagram) | Zoology
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In this article we will discuss about the structure of Terebella with the help of a diagram. 1. They are red coloured, marine and tubicolous worms found along European and American coasts buried in mud between sea rocks. 2. Body elongated and measures about 15 to 20 cm. in length and is broad in front […]
Structure of Cattle Leech (Hirudo) | Zoology
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In this article we will discuss about the structure of Cattle Leech (Hirudo) with the help of a diagram. 1. Commonly called Indian Cattle leech and is a fresh-water form. 2. Ectoparasite on catties and even on man. 3. Setae, prostomlum, appendages and distinct head are absent. 4. Only a well developed posterior sucker is […]
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