Advertisements
Advertisements
प्रश्न
Answer in detail.
How do fish exchange gases?
Advertisements
उत्तर
Fish exchange gases in water through gills. Gills enable the fish to obtain oxygen dissolved in the water.
APPEARS IN
संबंधित प्रश्न
Give two examples of Amphibians:
Give two examples of Segmented worms:
Name one example of the animal which shows the following characteristics:
Can live in water as well as on land:
Fill in the blank.
A ................. has an external coiled shell.
Select the most appropriate answer.
The finger-like structures present around the mouth of cnidarians are called
Select the most appropriate answer.
Organs of excretion in annelids are
Answer in detail.
You are asked to classify an animal in the correct group. The animal has a soft body and arm-like tentacles. You dissect the animal and find that it has an internal shell. Is the animal a cnidarian or a mollusc? Explain your answer.
Which ones of the following animals are invertebrates?
Housefly, Silverfish, Trout, Jellyfish, Whale, Penguin, Lizard and Sponge
Mention any one major similarity and one major difference in the following pairs of an animal:
Bat and Pigeon
Match items in Column A with the appropriate items in Column B
| Column A | Column B |
| Cobra | Protozoa |
| Peacock | Amphibia |
| Earthworm | Annelida |
| Euglena | Reptilia |
| Frog | Porifera |
| Spongilla | Aves |
