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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
Tick (✓) the appropriate answer:
The unicellular organism causing malaria
Find the odd one out. Give reason.
frog, shark, seahorse, carp
Write a short answer.
What are invertebrates ?
Answer in detail.
Write two characteristics of the reptiles.
Answer in detail.
How are the bones of birds different from those of other vertebrates?
Classify the given animals into different categories indicated.
Jellyfish, liver fluke, pinworm, Ascaris, tapeworm, Hydra, sea anemone into cnidarians, Platyhelminthes, and Nemathelminthes.
Classify the given animals into different categories indicated.
Crab, millipede, butterfly, ant, scorpion, centipede, spider, lobster, moth, prawn into arachnids, crustaceans, myriapods, and insects.
Given below are groups of animals, and their characteristics features. Some of the features are incorrect. Identify the odd one out in each.
| Group | Characteristic features | Odd one out |
| Porifera | porous animals, have tentacles, fixed to surface | |
| Amphibia | cold-blooded, lungs in adults, scaly skin | |
| Aves | cold-blooded, wings, feathers, bones with large air spaces | |
| Pisces | live in water, scaly skin warm-blooded, fins for swimming |
Mention any one major similarity and one major difference in the following pairs of an animal:
Insects and Birds
Why are eggs of reptiles covered with shells unlike the eggs of amphibians?
