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प्रश्न
Write four distinguishing characters of phylum - Echinodermata.
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उत्तर
- Calcareous spines are present on the bodies of these animals; hence, they are called echinoderms.
- These animals are found only in the ocean.
- Their body is triploblastic, eucoelomate. And it is radially symmetrical in the adult stage. However, they show bilateral symmetry in the larval stage.
- They perform locomotion with the help of tube-feet. Tube feet are also useful for capturing prey. Some animals are sedentary.
- They have a skeleton made up of calcareous spines and/or ossicles (plates).
- These animals have a good ability to regenerate.
- These animals are mostly unisexual.
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संबंधित प्रश्न
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The locomotory organs of Echinodermata are
Match items of column (A) with items of column (B)
| (A) | (B) | ||
| (a) | Pore bearing animals | (A) | Arthropoda |
| (b) | Diploblastic | (B) | Coelenterata |
| (c) | Metameric segmentation | (C) | Porifera |
| (d) | Jointed legs | (D) | Echinodermata |
| (e) | Soft bodied animals | (E) | Mollusca |
| (f) | Spiny skinned animals | (F) | Annelida |
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The locomotion of phylum Echinodermata is affected by ______.
In the animals belonging to the phylum Echinodermata, the body is divided into head, muscular foot, and the visceral mass.
Which group of animals belong to the same phylum?
Which of the following animal does not belong to Phylum Echinodermata?
