Home
Class 11
BIOLOGY
Ambulacral grooves are absent in the liv...

Ambulacral grooves are absent in the living forms of the class

A

Crinoidea

B

Ophiuroidea

C

Asteroidea

D

Echinodermata

Text Solution

Verified by Experts

The correct Answer is:
B
Arms and ambulacral grooves are absent in class ophiuroidea. Ex: brittle star.
Promotional Banner

Similar Questions

Explore conceptually related problems

Ambulacral grroves are absent in

Ambulacral grooves are absent in the class

Deltoid groove is present in

Why are grooves provided in the soles of shoes ?

Which of the following is a form class ?

Assertion. Small Tiedmann's bodies are associated with the ring ambulacral vessel in the echinoderms. Reason. Tiedmann's bodies contain phagocytes to dispose of the bacteria.

Name the grooves present in dinoflagellates.

The sensory organs in free-living forms include