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प्रश्न
Give reason for the following.
What happens to the body temperature of a fish when the temperature of water drops?
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उत्तर
Since fish are cold-blooded animals, the temperature of their body also drops when the temperature of water drops.
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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:
Write the characteristics of class Aves with reference to their body covering and jaws.
Match the following.
| Group | Characteristics | ||
| 1. | Molluscs | a. | Feed milk to young ones, warm-blooded |
| 2. | Spongers | b. | bag-like body with tentacles around the opening |
| 3. | Flatworms | c. | fins, gills and cold-blooded |
| 4. | mammals | d. | body with large opening and many small pores all over |
| 5. | Fish | e. | jointed legs, exoskeleton |
| 6. | cnidarians | f. | have only one opening |
| 7. | arthropods | g. | hard shell, soft body |
| h. | cylindrical, unsegmented body with mouth at one end and anus at the posterior end |
Differentiate between
radially symmetrical and bilaterally symmetrical body
Answer in detail.
How will you classify animals according to the food they eat?
Mention any one major similarity and one major difference in the following pairs of an animal:
Snakes and Earthworms
Which group of animals have following characteristics: Body segmented, jointed appendages and compound eyes.
Name the phyla to which following animal belongs: Leech
Name the phyla to which following animal belongs: Starfish
Give an account on the classification of invertebrates with few general features and examples.
