The larva that occurs in the development of Sea urchin is
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The star fish's pyloric caeca are organs of
The larvae of sea stars are
Auricuiaria is the larva of
The larva of holothuroide is
Ambulacral system or water vascular system is typically found in
Main difference between starfishes and brittle stars is in the
Which one of the following Echinoder-mate is found in fresh water ?
Sea cucumber belongs to class
The terrestrial species of Echinodermata is *
Which is not true of Echinoderms?
Madreporite is associated with
Sea cucumber belongs to the class
Animals which exhibit radial, pen-tamerous symmetry in adults, and bilateral symmetry amongst larvae,…
A very well developed brain is present in
Pedicellariae are modified
The locomotor organs of Echinoderms is called
The animal that moves with tube feet is
Aristotle's lantern is
Which of the following systems is found in Echinoderms ?
Pentamerous echinoderms with five slender flexible arms sharply marked off from the central disc are
Animals with radial symmetry in adults and bilateral symmetry in larvae are
In star fish which of the following has dual function of locomotion and respiration
Water vascular system helps in
The respiratory organs in a sea star are
A calcareous box like test is found in
Which of the following is a living fossil ?
Class Holothuroidea of phylum Echinodermat a includes
Stone canal in star fish is associated with
In which of the Echinoderm, the arms, spines and pedicellaria are absent ?
One of these is a stalked echinoderm
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