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Answer in Brief.Write Four Distinguishing Characters of Phylum- Echinodermata. - Science and Technology 2

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Answer in brief.

Write four distinguishing characters of phylum- Echinodermata.

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Solution

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.
Concept: Kingdom Animalia - Invertebrate: Phylum Echinodermata
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