Question : Classify the following organisms based on the absence/presence of true coelom, (i.e., acoelomate, pseudocoelomate and coelomate)

Question : Classify the following organisms based on the absence/prese

1.	Question : Classify the following organisms based on the absence/presence of true coelom, (i.e., acoelomate, pseudocoelomate and coelomate)
Answer» Solution :Coelom is the main body cavity in most multicellular animals and it contains digestive tract and other organs. Organisms in which coelom is absent are Spongilla, SEA anemone,Planaria and liverfluke, hence are, called acoelomates. Pseudocoelomates are animals without true coelom e.g., Wauchreria bancrofti. Animals in which coelom is PRESENT are, Ascaris (Aschelminthes), Nereis(Annelida), EARTHWORM (Annelida), scorpion (ARTHROPODA), birds (Aves), fishes (Pisces) and horse (Mammalia).