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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
Write four distinguishing characters of phylum - Echinodermata.
Which of the following animals can regenerate it’s broken body part?
Identify the class of the animal shown in the figure and write any two characteristics.
Write a short note.
Starfish
Are jellyfish and starfish similar to fishes? If no justify the answer.
______ separates the digestive tract from the body wall.
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?
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.
