Question

Write Four Distinguishing Characters of Phylum- Echinodermata.

Answer 1

Answer:

Characteristic features of phylum Echinodermata:

1) Echinoderms show an organ system level of organisation.

2) Their larvae are bilaterally symmetrical and adults exhibit radial symmetry.

3) Echinoderms are triploblastic animals.

4) They are coelomates.

Answer 2

Answer:

1) calcareous spines are present on the body of this animals.

2) Their body is triploblastic and eucoelomate.

3) this animals have good ability of of regeneration.

4) They perform locomotion with the help of tube- feet.

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