Question

Write four distinguishing characters of phylum- Echinodermata.Answer in brief

Answer 1

Dear Student,

◆ Characteristics of phyllum Echinodermata -

• They are all invertebrates with presence of internal skeleton.
• Their body is radially symmetrical.
• Body is segmental with equal segments.
• They have water vascular system.
• They usually live in marine habitat.
• They have closed circulation.
• They breath through skin, lungs.
• They have tube feet which helps in several functions.

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Answer 2

Answer:

1. These species are known for their radial symmetrical properties.

2. They have several armsspreading out of the body, they contain a backup set of organs in thier body.

3. They are all marine organisms which are triploblastic.

4. They also posses a very unique vascular system which is based on water.

5. Their digestive system ends in their mouth itself.

6. They are very special spicies which are both peculiar and amazing.