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प्रश्न
Answer in detail.
How will you classify animals according to the food they eat?
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उत्तर
On the basis of food they eat, animals are classified as:
- Herbivores – They eat only green plants as food. Examples: cow, goat, etc.
- Carnivores – They eat only the flesh of other animals as food. Examples: tiger and lion, etc.
- Omnivores – They eat both plants as well as the flesh of other animals as food.
Examples: bear, crow, man, etc.
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संबंधित प्रश्न
Give two examples of Flatworms:
Select the most appropriate answer.
Annelids have a
Select the most appropriate answer.
Bones with large air cavities are present in
a. cnidarians.
b. fish.
c. annelids.
d. birds.
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
aves and mammals
Write a short answer.
What do you mean by the radially symmetrical body?
Answer in detail.
Name the different classes of arthropods. Write one characteristic feature of each class.
Answer in detail.
You are asked to classify an animal in the correct group. The animal has a soft body and arm-like tentacles. You dissect the animal and find that it has an internal shell. Is the animal a cnidarian or a mollusc? Explain your answer.
Classify the given animals into different categories indicated.
Jellyfish, liver fluke, pinworm, Ascaris, tapeworm, Hydra, sea anemone into cnidarians, Platyhelminthes, and Nemathelminthes.
On the basis of characteristics given below, name the phyla: Unicellular, microscopic animals.
