Though ______ members of Animalia are multicellular
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In sponges, the cells are arranged as loose ______ i.e. they exhibit ______ level of organisation
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Tissue level of organisation is started from ______ phylum of animals kingdom .
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Organ level of organisation start from ______ phylum of animals kingdom.
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Organ systems level of organisation start from ______ till chordata.
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The digestive system of ______ has only a single opening to outside the body that serves as both mouth & anus hence it called incomplete.
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A complete digestive system have two opening ______ & ______
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Circulatory system may be two type ______ & ______ .
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In ______ circulatory systems cells & tissues are directly bathed
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In closed circulatory systems the blood circulated through a series of ______ of varying diameter ( ______, veins & capillaries )
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Animals characterised on the basis of their symmetry . ______ are mostly asymmetrical i.e. any plane that passes through the centre does not divide them into equal halves .
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When any plane passing through the ______ axis of the body divides the organisms into two identical halves, it called radial symmetry.
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Radial symmetry are present in coelenterate, ______ & ______ ( in adult )
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Animals like annelids, ______ .etc where body divided into identical left & right halves only in one plane, exhibit ______ .
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Animals in which the cells are arranged in two embryonic layers, an external ______ & an internal endoderm, are called ______ e.g. coelenterate.