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प्रश्न
Which group of animals have following characteristics: Multicellular body not organized into tissues.
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उत्तर
Porifera
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संबंधित प्रश्न
Select the most appropriate answer.
The finger-like structures present around the mouth of cnidarians are called
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 |
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