Advertisements
Advertisements
प्रश्न
Distinguish between Class Aves and Class Mammalia.
उत्तर
| Aves | Mammalia | |
| i. | Mammary glands are absent. | Mammary glands are present. |
| ii. | They are completely adapted for aerial life. | They are mostly terrestrial animals with some exceptions like dolphin, bat, etc. |
| iii. | Body is divided into head, neck and trunk. | Body is divided into head, neck, trunk and tail. |
| iv. | Exoskeleton is present in the form of feathers. | Exoskeleton is present in the form of hairs or fur. |
| v. | Digits are covered with scales and bear claws. | Digits are provided with nails, claws or hooves. |
| e.g. | Peacock, penguin, parrot, pigeon, duck. etc. | Elephant, human, kangaroo, dolphin, bat, etc. |
APPEARS IN
संबंधित प्रश्न
Give scientific reason
Body temperature of reptiles is not constant.
Sketch, labell and classify Pigeon.
Sketch, labell and classify Shark .
Label the following.
Which of the following is a warm blooded (homeotherms) animal?
Write any one cold-blooded animal you know.
Label the figure.
Complete the following chart.
| Type | Example | |
| A) | Pisces | |
| B) | Amphibians | |
| C) | Mammalians | |
| D) | Reptilians |
Distinguish between Class Pisces and Class Amphibia.
Complete the following activity.
Who am I, if I respire with gills?
Complete the following activity.
Who am I, if I have mammary glands?
We are Crocodile and Alligator.
To which phylum we belong to?
We are Crocodile and Alligator.
In which three sections our body is divided?
The larvae of an amphibian is ______.
______ is the unique characteristic feature of mammal.
State whether true or false. If false, correct the statement.
Fishes have two chambered heart
Why are frogs said to be amphibians?
List five characteristic features of fishes.
How are the limbs of the birds adapted for avian life?
