A file-like rasping organ present in the mouth of many molluscs for feeding is called
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Most reptiles have a 3-chambered heart, except for which group that has a 4-chambered heart?अधिकांश सरीसृपों में 3-कक्षीय हृदय होता है, किस समूह को छोड़कर जिसमें 4-कक्षीय हृदय होता है?
Crocodiles
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The excretory organs in spiders are called
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Which flightless bird is the largest living bird on Earth?
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The presence of a notochord, dorsal nerve cord, and pharyngeal gill slits are features of
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The scientific name of the common earthworm is
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The phenomenon of shedding the exoskeleton in arthropods is called
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Which snake is considered the longest venomous snake in the world?
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What kind of symmetry do adult echinoderms exhibit?
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