Question

Write four distinguishing characters
of phylum- Echinodermata.​

Answer 1

• These types of animals have an endoskeleton of calcareous ossicle & hence they know as Echinodermata (spiny bodied)
• They are marine Organ -System level of Organisation
• Adult echinoderms are radially symmetrical but larval are bilaterally symmetrical
• They are troploblastic & Coelomate animals

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