Sea Urchins are marine animals belonging to the phylum Echinodermata. Within this phylum, they are classified under the class Echinoidea.
This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
ScanSolve AI Answer
Sea Urchins are marine animals belonging to the phylum Echinodermata. Within this phylum, they are classified under the class Echinoidea.
Let's look at the options:
A) Crinoidea: This class includes sea lilies and feather stars.
B) Echinoidea: This class includes sea urchins and sand dollars.
C) Ophiuroidea: This class includes brittle stars and basket stars.
D) Holothuroidea: This class includes sea cucumbers.
Therefore, the Sea Urchin is an example of the class Echinoidea.
The final answer is $\boxed{\text{B}}$
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