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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
Answer the question by choosing correct option.
Which of the following animals can regenerate it’s broken body part?
Sketch, labell and classify Star fish .
Find an odd one out.
Name the phylum in which earthworm and starfish belongs to.
How does locomotion occur in earthworm and starfish?
Write a short note.
Starfish
The locomotory organs of Echinodermata are
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.
The locomotion of phylum Echinodermata is affected by ______.
Analogy:
Echinodermata: ______:: Soft Bodies Animals: ______.
Which group of animals belong to the same phylum?
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.
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.
