Class bivalvia is characterized by
absence of gills
absence of head
coiled shell
presence of tentacles around mouth
Additional Questions
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In many animals the rapid change from the immature organism to the adult (change from larva to adult in insects) means |
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Which is not an insect? |
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Male mosquitoes usually feed on |
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Taxonomically a species is |
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Silk fibre contains which proteins? |
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Reptilian feature of Archaeopteryx is |
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In cephalopod, the brain is formed from the fusion of ______. |
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Fluke infections are diseases of the _______ in humans. |
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Radial symmetry is usually associated with |
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Which organism possesses characteristics of plants and animals? |
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