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प्रश्न
Answer in detail.
How will you classify animals according to the food they eat?
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
Write one difference between the following pair:
Porifera and Coelenterata.
Fill in the blank.
Most arthropods have a tough outer body covering called ..........................
Select the most appropriate answer.
The finger-like structures present around the mouth of cnidarians are called
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 |
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
Write two main characters of the following animal and name the phylum it belongs to: Cockroach
On the basis of characteristics given below, name the phyla: Body cylindrical, segmented, coelomate.
Bones with air cavities ate seen in ______.
What is the unique feature of chordates?
Write a note on mammals.
