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प्रश्न
List the functions of air bladder in fishes.
उत्तर
- Air bladder helps in gaseous exchange.
- It helps in maintaining buoyancy.
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?
The limbless amphibian is ______.
Four chambered heart is present in ______.
Which of the following is not correctly paired?
Which of the following is an egg laying mammal?
Pneumatic bones are seen in ______.
List three features that characterise bony fishes.
Write the characteristics that contributes to the success of reptiles on land.
List the unique features of bird’s endoskeleton.
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.
