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प्रश्न
Give a reason for the following.
Why do adult amphibians tend to stay near water?
उत्तर
Adult amphibians tend to stay near water because they have to return to water to reproduce and they always lay their eggs in water, e.g. frog.
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संबंधित प्रश्न
Give two examples of Arthropods:
Write one difference between the following pair:
Platyheminthes and Nematoda
Fill in the blank.
Cnidarians have ................ symmetrical body.
Fill in the blank.
..................... and liver fluke live in the intestines of human beings and cattle.
Find the odd one out. Give reason.
frog, shark, seahorse, carp
Classify the given animals into different categories indicated.
Crab, millipede, butterfly, ant, scorpion, centipede, spider, lobster, moth, prawn into arachnids, crustaceans, myriapods, and insects.
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Monkey - External ear, sweat glands, lateral line.
Which group of animals have following characteristics: Body segmented, jointed appendages and compound eyes.
What is the name of the bone which is filled with air?
Assertion (A): Mammals give birth to their young ones.
Reason (R): Platypus is an egg-laying mammal.
