Question

Aristotle organ
Lantern. - echinodermata phylum plz simply form answer do fast​

Answer 1

Aristotle's lantern is a complex arrangement of muscles and calcareous teeth and plates forming an eversible organ in most echinoids, functioning in mastication. Sea urchins belong to Echinoidea. So, I is correct.

Respiratory trees are present in sea cucumbers from which they extract oxygen from water. The respiratory trees branch off the cloaca just inside the anus. Sea cucumber belongs to the class Holothuroidea.

Explanation:

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