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प्रश्न
Answer in brief.
Write four distinguishing characters of phylum- Echinodermata.
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उत्तर
Characteristic features of Echinodermata are:
- they are called echinoderms because calcareous spines are present on the body of these animals.
- their skeleton is made up of calcareous spines/ossicles (plates).
- they show radial symmetry in adult stage whereas they show bilateral symmetry in larval stage.
- these animals have the ability of regeneration.
- they are found only in oceans.
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संबंधित प्रश्न
Which of the following animals can regenerate it’s broken body part?
Find an odd one out.
Locomotion of starfish takes place through pseudopodia.
What are the locomotory organs of the animal given in the picture?
Name the phylum in which earthworm and starfish belongs to.
How does locomotion occur in earthworm and starfish?
Water vascular system is found in ______.
Are jellyfish and starfish similar to fishes? If no justify the answer.
Which among the following is exclusively marine?
Hard calcium carbonate structures are used as skeleton by
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.
Mention two features of phylum Echinodermata.
______ separates the digestive tract from the body wall.
The locomotion of phylum Echinodermata is affected by ______.
Read the following statements.
- Metagenesis is observed in Helminths.
- Echinoderms are triploblastic and coelomate animals.
- Round worms have an organ-system level of body organization.
- Comb plates present in ctenophores help in digestion.
- Water vascular system is characteristic of Echinoderms.
Choose the correct answer from the options given below.
Identify the following animal and answer the questions that follow.
- Name its phylum.
- Name any two other examples of this phylum.
- Mention any two characters of this phylum.
Cockroach, Frog, Sparrow, Starfish, from these animals which can regenerate its broken body part?
