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प्रश्न
Which of the following is an egg laying mammal?
पर्याय
Delphinus
Macropus
Ornithorhynchus
Equus
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उत्तर
Ornithorhynchus
संबंधित प्रश्न
“All vertebrates are chordates but all chordates are not vertebrates.” Justify the statement.
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List the functions of air bladder in fishes.
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Give the characteristic features of the following citing one example.
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Give three major differences between chordates and non-chordates and draw a schematic sketch of a chordate showing those features.
