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प्रश्न
Write a short answer.
Name the special organs of excretion in annelids?
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उत्तर
Annelids have a special organ of excretion called nephridia.
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संबंधित प्रश्न
Fill in the blank.
Most arthropods have a tough outer body covering called ..........................
Differentiate between
flatworms and roundworms
Find the odd one out. Give reason.
frog, shark, seahorse, carp
Write a short answer.
What is an exoskeleton? How is it different from a backbone?
Answer in detail.
Name the different classes of arthropods. Write one characteristic feature of each class.
Write zoological names of earthworm.
On the basis of characteristics given below, name the phyla: Body cylindrical, segmented, coelomate.
Name the phyla to which following animal belongs: Hydra
Bones with air cavities ate seen in ______.
______ is the unique characteristic feature of mammals.
