Phylum Echinodermata
Phylum Echinodermata: Overview
This topic covers concepts such as Class Asteroidea, Class Echinoidea, Class Ophiuroidea, Class Holothuroidea, Class Crinoidea, and Water Canal System.
Important Questions on Phylum Echinodermata
Ptilocrinus belongs to which class of phylum Echinodermata?
The animals that possess both the anus and mouth on their oral surface, belong to which class of echinoderms?
Which among the following is true about crinoids?
Sessile pentacrinoid larva is found in feather stars.
The arms are biramous and bear pinnules in the animals of class _____
Which of the following larval forms are present in the animals of class Asteroidea.
In class Asteroidea, the animals have five arms that are not sharply marked off from the central disc.
Ambulacral grooves are found in which animal?
Give some examples of the class Asteroidea.
The phenomenon of autotomy is seen in Asterias.
Which among the following belongs to the class Holothuroidea?
Brittle stars belong to which class of Echinoderms.
Aristotle's Lantern can be seen in the buccal cavity of Ophiothrix.
Which among the following belongs to the class Ophiuroidea?
Give some examples of the class Ophiuroidea.
Which of the following characters distinguishes Ophiura from Balanoglossus?
