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प्रश्न
Write a short answer.
What are invertebrates ?
उत्तर
Invertebrates are animals without a backbone, e.g. Insects, worms.
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संबंधित प्रश्न
Fill in the blank.
Most arthropods have a tough outer body covering called ..........................
Select the most appropriate answer.
Bones with large air cavities are present in
a. cnidarians.
b. fish.
c. annelids.
d. birds.
Find the odd one out. Give reason.
snake, alligator, eel, turtle
Answer in detail.
How do fish exchange gases?
Which ones of the following animals are invertebrates?
Housefly, Silverfish, Trout, Jellyfish, Whale, Penguin, Lizard and Sponge
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Whale - Gills, mammary glands, fat under the skin
Mention any one major similarity and one major difference in the following pairs of an animal:
Bat and Pigeon
Which one is the most striking or (common) character of the vertebrates?
Write a note on mammals.
On the basis of the position of the notochord, classify the different prochordates. Justify your answer.
