Oligochaeta
Classification of Animals Non Chordates of Class 11
Characters :
(i) Body lacks head and parapodia.
(ii) Setae are small and fever.
(iii) Clitellum is present.
(iv) Sexes are united.
(v) Development is direct.
Examples : Pheretima - the earthworm, Tubifex-the blood worm.
- Introduction
- Fundamentals of Animal Classification
- Body Plan and Symmetry
- Metamerism and Germ Layers
- Body Cavity or Coelom
- Protostomes And Deuterostomes
- Modern Classification of Animal World
- Five Kingdoms of Living World
- Kingdom Protista
- Protozoa
- Plasmodium
- Some Representatives of Phylum Protozoa
- Paramecium
- Phylum Porifera
- Canal System and Skeleton
- Some representatives of phylum - Porifera
- Cnidaria (Gr. Knide = nettle or stringing cell)
- Some representatives of phylum Coelentrata
- Phylum Platyhelminthes - The flat worms
- General Topics (Dugesia, Schistosoma, fasciola, Taneia solium)
- Important Points to Remember
- Phylum Aschelminthes
- Some representatives of Nematoda
- Phylum Annelida
- Polychaeta
- Oligochaeta
- Hirudinea
- Phylum Arthoropoda
- General Topics
- Important Points to Remember of Chelicerae
- Phylum Mollusca
- General Topics of Phylum Mollusca
- Important Points to Remember of Phylum Mollusca
- Phylum Echinodermata
- General Topics of Phylum Echinodermata
- Important Points to Remember of Phylum Echinodermata
- Exercise 1
- Exercise 2
- Exercise 3
- Exercise 4
- Exercise 5
- Exercise 6
