Annelida Invertebrate Zoology PDF
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This document provides an overview of Invertebrate Zoology, focusing on the Annelida phylum. It details different classes, characteristics, and ecological roles of these segmented worms.
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Invertebrate Zoology Annelida Kingdom: ANIMALIA PROTOZOA METAZOA kingdom : Prototista Eg : Ameoba PARAZOA EUMETAZO PHY : PORIFERA...
Invertebrate Zoology Annelida Kingdom: ANIMALIA PROTOZOA METAZOA kingdom : Prototista Eg : Ameoba PARAZOA EUMETAZO PHY : PORIFERA A Eg : Sponges DIPLOBLASTIC RADIATA TRIPLOBLASTIC PHY : COELENTERATA BILATERIA Eg : Hydra Acoelomata Pseudocoelomata EUCOELOMATA Phy : Platyhelminthes Phy : Aschelminthes(nematoda) Eg : Ascaris Phy : Phy : Phy : Phy : PHY : Annelida Arthropoda Mollusca Echinodermata CHORDATA Fig. 9.9 3 Fig. 9.9 4 Phylum Annelida “little ring” Segmented worms 15,000 species – Marine worms – freshwater worms – terrestrial worms – Leeches worldwide distribution Soft body Size of animals