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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:
Has a flattened ribbon-like body:
Fill in the blank.
Some .....................have two pairs of legs per segment.
Select the most appropriate answer.
The finger-like structures present around the mouth of cnidarians are called
Fill in the blank.
Invertebrates with jointed legs belong to ....................
Differentiate between
warm-blooded and cold-blooded animals.
State if the following statement is true or false. Correct the statement if it is false.
Reptiles have a scaly skin. They lay eggs with a hard shell and are warm-blooded animals.
Answer in detail.
Write two characteristics of the reptiles.
Answer in detail.
How do warm-blooded and cold-blooded animals differ?
Write zoological names of earthworm.
Paramecium is a protista because of its ______.
