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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.
APPEARS IN
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?
Answer in brief.
Write four distinguishing characters of phylum- Echinodermata.
Sketch, labell and classify Star fish .
Identify the class of the animal shown in the figure and write any two characteristics.
Find an odd one out.
What are the locomotory organs of the animal given in the picture?
Write a short note.
Starfish
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 |
______ is not a characteristic of Phylum Echinodertnata.
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.
