Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question

Question

Sea lily is the stalked echinoderm of the class
Options
A Articulata
B Asterozoa
C Crinoidea
Correct Answer
D Echinozoa
Correct Answer

Option C is the correct answer.

Detailed Explanation

Sea lilies are stalked echinoderms belonging to the class Crinoidea. This class also includes the feather stars, which are unstalked as adults. Articulata refers to a class of crinoids or a subclass of brachiopods. Asterozoa includes starfish and brittle stars, and Echinozoa includes sea urchins and sea cucumbers.

Hint

Which class of echinoderms is characterized by a stalked, filter-feeding lifestyle?

Question Info