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प्रश्न
Sort out the animals on the basis of their symmetry (radial or bilateral) coelenterates, ctenophores, annelids, arthropods, and echinoderms.
उत्तर
The animals on the basis of their symmetry are shown in the table below:
| Radial Symmetry | Bilateral Symmetry |
| Coelenterates | Annelids |
| Ctenophores | Arthropods |
| Echinoderms |
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संबंधित प्रश्न
Write in brief about progressive changes in animal classification.
What is the exact difference between grades of organization and symmetry? Explain with examples.
Label the body organization of human in the following figure:
Draw a neat and labelled diagram.
Jellyfish
The largest division of the living world is ______.
Species is the ______ unit of classification.
Lateral line sense organs occur in ______.
Observe the animal below and answer the following questions.
- Identify the animal.
- What type of symmetry does this animal exhibit?
- Is this animal Cephalized?
- How many germ layers does this animal have?
- How many openings does this animal’s digestive system have?
- Does this animal have neurons?
______ is a fluid-filled body cavity.
Differentiate between open circulatory system and closed circulatory system
