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प्रश्न
Which of the following is an egg laying mammal?
विकल्प
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.
How important is the presence of air bladder in Pisces?
What are the modifications that are observed in birds that help them fly?
Could the number of eggs or young ones produced by an oviparous and viviparous mother be equal? Why?
Pneumatic bones are seen in ______.
List the features that all vertebrates show at some point in their development.
List three features that characterise bony fishes.
List the functions of air bladder in fishes.
Write the characteristics that contributes to the success of reptiles on land.
Which of the following is NOT a character of Chordata?
A and B are respectively represents?
Give the characteristic features of the following citing one example.
Urochordata and cephalochordata
Give three major differences between chordates and non-chordates and draw a schematic sketch of a chordate showing those features.
