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प्रश्न
Distinguish between Class Pisces and Class Amphibia.
उत्तर
| Pisces | Amphibia | |
| i. | They are marine or freshwater animals. | They can live in water as well as on land. |
| ii. | Exoskeleton is in the form of scales. | Exoskeleton is absent in these animals. |
| iii. | They have paired or unpaired fins for swimming. | They do not have fins. They have two pairs of appendages and their digits are without claws. |
| iv. | Aquatic respiration takes place through gills. | Larvae of amphibians are strictly aquatic and perform aquatic respiration only. Adults can perform aquatic as well as aerial respiration |
संबंधित प्रश्न
Give scientific reason.
Though tortoise lives on land as well as in water, it cannot be included in class-Amphibia.
Answer the question by choosing correct option.
Bat is included in which class?
Sketch, labell and classify Shark .
Find an odd one out.
Which animal doesn’t have a neck?
Distinguish between Class Aves and Class Mammalia.
We are Crocodile and Alligator.
We can’t breathe in water, why?
Write a short note.
Mammals
Which one of the following pairs is not a poikilothermic animal?
Air sacs and Pneumatic bones are seen in ______.
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
State whether true or false. If false, correct the statement.
Wings of birds are the modified forelimbs.
Why are frogs said to be amphibians?
How are the limbs of the birds adapted for avian life?
Write any three characteristics of class reptilia.
State whether True or False:
Bat is a mammal.
