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Which of the following phyla contains only marine animals?

Arthropoda
Chrodata
Echinodermata
Mollusca

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Phyla Echinodermata consist of only marine animals
User Azpublic
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5 votes

Answer:

Echinodermata:phyla contains only marine animals.

Step-by-step explanation:

Echinoderms in the phyla which contains only marine animals.

  • At the larval stages, they have bilateral symmetry whereas adults of the Echinoderm have radial symmetry.
  • Examples of Echinoderms: starfish, sea cucumbers,sea lilies and sea urchins.
  • They are present at Ocean depth, not present in freshwater.
  • In the echinoderms have unique water vascular system as a circulatory system, which helps in the locomotion, nutrient circulation, gaseous exchange, and waste removal.

User Tom Martin
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