Book : Zoology
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Posted by: CHELSEA
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Types of Coelomates

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Types

1. Pseudocoelom (false coelom): formed by splitting of mesoderm. Coelom is filled with muscles and tissues. E.g. Nematodes 

2. True Coelum: real cavity formed by splitting of mesoderm lying between body wall and gut wall. E.g. Annelids 

3. Haemocoelom: Coelom cavity filled with blood. E.g. Arthopods, mollucs etc. These organisms have opened type of circulatory system. Haemocoelom works as blood vessels. NOTE: Cockroach has haemocyazine.

Locomotary Organs or Structures:

Pseudopodia in Amoeba Flagella in Euglena Cillia in Paramecium Setae in Earthworms Parapodia in Nereis Appenduges in Arthopods Muscular foot in Mollucs Tube feet in Starfish Fins in Fishes Limbs in Vertebrates

Nutrition

Holozoic: takes solid food Holophytic: plant/solid food taking Saprozoic: animals feeding on dead organic matter Saprophytic: plants feeding on dead organic matter Parasitic: live on other organisms Carnivorous: feed on animals flesh Herbivorous: feed on plants


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