Question 1 Write the characterstics of kingdom Echinodermata? Question 2 Write few examples of kingdom Echinodermata? Echinodermata (Spiny skinned animals) 1) They are star like, spherical or elongated. 2) Body is triploblastic, coelomate, unsegmented, radially symmetrical. 3) Body lacks heads but has oral surfaces. 4) The body wall is covered by spiny hard … [Read more...] about Echinodermata
Class 9
Mollusca
Question 1 Write the characteristics of mollusca kingdom? Question 2 Give few examples of mollusca kingdom? Mollusca 1) Body is soft, bilaterally symmetrical, segmented. 2) Circulatory system is open. 3) The coelomic cavity is blood filled and reduced. 4) They have kidney like organs for excretion. 5) Sexes are usually separate. 6) There is little … [Read more...] about Mollusca
Arthropodia
Question 1 Write the characteristics of kingdom anthropodia? Arthropodia 1) Bilaterally symmetrical, segmented, triploblastic. 2) Circulatory system is open means blood does not flow in well defined blood vessels. 3) Body cavity is haemocoel ie filled with blood. 4) They have joined legs. 5) The body segment is divided into 3 regions-Head, thorax, abdomen. 6) … [Read more...] about Arthropodia
Annelida
Question 1 Write few characteristics of annelida kingdom? Question 2 Give few examples of annelida kingdom? Annelida 1) They are bilaterally symmetrical, soft, elongated, cylindrical, triploblastic have true body cavity. 2) Due to true body cavity they have extensive organ differentiation. 3) The body is segmented with segments lined up one after the other from … [Read more...] about Annelida
Nematoda
Question 1 Give the characteristics of nematode kingdom? Question 2 Give few examples of nematode kingdom? Nematode 1) The organism have bilaterally symmetrical and triploblastic body. 2) Body is cylindrical rather than flattened. 3) Body has tissues but no real organs. 4) Parasitic nematodes are pathogenic means they produce diseases in host. 5) For Example: … [Read more...] about Nematoda