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प्रश्न
Hard calcium carbonate structures are used as skeleton by
विकल्प
Echinodermata
Protochordata
Arthropoda
Nematoda
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उत्तर
Echinodermata
Explanation -
In many echinoderms, the endoskeleton (skeleton present inside the body) is made up of hard calcium carbonate structures.
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संबंधित प्रश्न
Identify me.
My body is radially symmetrical. Water vascular system is present in my body. I am referred as fish though I am not. What is my name?
Identify the class of the animal shown in the figure and write any two characteristics.
Locomotion of starfish takes place through pseudopodia.
Write a short note.
Starfish
Water vascular system is found in ______.
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 |
In the animals belonging to the phylum Echinodermata, the body is divided into head, muscular foot, and the visceral mass.
Which of the following animal does not belong to Phylum Echinodermata?
Cockroach, Frog, Sparrow, Starfish, from these animals which can regenerate its broken body part?
Read the statements and answer accordingly:
Calcareous spines are present on the body. Tube feet are used for locomotion and capturing prey also.
- Identify the phylum and give one example.
