The star fish zygote develops into a
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Phylum - Echinodermata
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Spines of the body of Sea urchin are
Auricuiaria is the larva of
The larvae of sea stars are
Main difference between starfishes and brittle stars is in the
Which one of the following Echinoder-mate is found in fresh water ?
Aristotle's lantern is
Ambulacral system or water vascular system is typically found in
Star fishes are
Pentamerous echinoderms with five slender flexible arms sharply marked off from the central disc are
The star fish's pyloric caeca are organs of
Water vascular system helps in
The terrestrial species of Echinodermata is *
The larva that occurs in the development of Sea urchin is
Which one of these is an Echinoderm ?
The animal that moves with tube feet is
In Sea urchin, Aristotle's lantern is a part of
In star fish the locomotary organs are
The respiratory organs in a sea star are
A calcareous box like test is found in
Sea cucumber belongs to the class
The generic name of 'feather star' is
One of these is a stalked echinoderm
Which of the following systems is found in Echinoderms ?
Madriporite or seive plate is found in
Pedicellariae are modified
Aristotle's Lantern is present in
Class Holothuroidea of phylum Echinodermat a includes
The locomotor organs of Echinoderms is called
Which of the following is a living fossil ?
Which is not true of Echinoderms?
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