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प्रश्न
Answer in brief.
Write four distinguishing characters of phylum- Echinodermata.
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 .
Locomotion of starfish takes place through pseudopodia.
How does locomotion occur in earthworm and starfish?
Water vascular system is found in ______.
How does locomotion take place in starfish?
Which among the following is exclusively marine?
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 |
______ is not a characteristic of Phylum Echinodertnata.
Mention two features of phylum Echinodermata.
______ separates the digestive tract from the body wall.
Analogy:
Echinodermata: ______:: Soft Bodies Animals: ______.
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?
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.
Cockroach, Frog, Sparrow, Starfish, from these animals which can regenerate its broken body part?
