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Among vertebrates tympanum, sternum are first appeared in

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Important Questions on Animal Kingdom

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Identify figures A, B, C and D and select the correct option.
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In urochordates, the notochord is
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What does the multicellular consumers without nerve cells exhibit?
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The highest level of organisation is present in these multicellular animals
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(A) Bilateral symmetry
(B) Radial symmetry
(C) Diploblastic
(D) Triploblastic
(E) Acoelomate
(F) Round body on transverse section

Which of given above characters are present in Ascaris?

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Animals belonging to Phylum Chordata are fundamentally characterized by the presence of structures noted as A, B, C and D. Identify them and select the correct option.
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Organ system level of body organisation first appears in
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Phylum Mollusca can be distinguished from other invertebrates by the presence of _____.