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प्रश्न
Answer in detail.
How do fish exchange gases?
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उत्तर
Fish exchange gases in water through gills. Gills enable the fish to obtain oxygen dissolved in the water.
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संबंधित प्रश्न
Tick (✓) the appropriate answer:
Identify the animal which is not an Arthropoda
Fill in the blank.
................. have three pairs of jointed legs.
Fill in the blank.
The backbone of vertebrates is made up of a number of small bones called .....................
Write a short answer.
Write two examples of myriapods.
Answer in detail.
Write a short note on annelids.
Give reason for the following.
What happens to the body temperature of a fish when the temperature of water drops?
Mention any one major similarity and one major difference in the following pairs of an animal:
Insects and Birds
The notochord extends throughout the entire length of the body is ______.
In mammals, the testis is enclosed by ______.
Mention two special features of mammals.
