Tag Archives | Invertebrate Zoology

Platyhelminthes: Characters and Classification

In this article we will discuss about Platyhelminthes:- 1. General Characters of Platyhelminthes 2. Classification of Platyhelminthes. General Characters of Platyhelminthes: 1. Platyhelminthes are bilaterally symmetrical and dorsoventrally flattened, triploblastic worms. 2. Body shape generally worm-like but varies from moderately elongated flattened shape to long flat ribbons and leaf-like. 3. The flatworms are small to moderate in size varying from [...]

By |2016-05-02T10:38:08+00:00May 2, 2016|Invertebrate Zoology|Comments Off on Platyhelminthes: Characters and Classification
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Parasitism: Meaning, Origin and Kinds | Zoology

In this article we will discuss about Parasitism:- 1. Meaning of Parasitism 2. Origin and Evolution of Parasitism 3. Kinds 4. Parasitic Adaptations. Meaning of Parasitism: Parasitism is defined as the association of two organisms of same or different species, in which one lives at the cost of other. A parasite is that which lives on other organism called a [...]

By |2016-05-02T10:38:08+00:00May 2, 2016|Invertebrate Zoology|Comments Off on Parasitism: Meaning, Origin and Kinds | Zoology
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12 Representative Types of Platyhelminthes

The following points highlight the twelve representative types of Platyhelminthes. The types are: 1. Convoluta 2. Thysanozoon 3. Gyrodactylus 4. Aspidogaster 5. Opisthorchis 6. Schistosoma 7. Gyrocotyle 8. Tetrarhynchus 9. Diphyllobothrium  10. Taenia Saginata 11. Echinococcus 12. Hymenolepis. Platyhelminthes: Type # 1. Convoluta: Convoluta (Fig. 43.1) is exclusively marine form living under stones among algae. It is a small worm [...]

By |2016-05-02T10:38:07+00:00May 2, 2016|Invertebrate Zoology|Comments Off on 12 Representative Types of Platyhelminthes
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