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प्रश्न
Answer in detail.
Write a short note on annelids.
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उत्तर
Annelids are invertebrates which include segmented worms. They are found in moist soil and pond water. They have a soft, cylindrical, and bilaterally symmetrical body. Their body surface is marked into ring-like compartments called segments that help in movement. They have a special organ of excretion called nephridia.
Examples: Leech and earthworm.
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संबंधित प्रश्न
Name one example of the animal which shows the following characteristics:
Can live in water as well as on land:
Fill in the blank.
Cnidarians have ................ symmetrical body.
Fill in the blank.
The backbone of vertebrates is made up of a number of small bones called .....................
Differentiate between
flatworms and roundworms
Differentiate between
radially symmetrical and bilaterally symmetrical body
State if the following statement is true or false. Correct the statement if it is false.
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Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
Write two main characters of the following animal and name the phylum it belongs to: Starfish
Write zoological names of roundworm.
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