To what biological class do sea cucumbers belong, distinguishing them from garden vegetables?

Answer

Holothuroidea.

Sea cucumbers are fundamentally different from garden cucumbers because they are not botanical vegetables; they are marine invertebrates belonging to the biological class Holothuroidea, which places them among the echinoderms. This classification immediately signals a complete divergence in their nutritional makeup compared to land-grown Cucumis sativus. Their nutritional profile centers around high protein, specialized marine compounds, and minerals like selenium, rather than the high water content that defines their vegetable namesakes.

To what biological class do sea cucumbers belong, distinguishing them from garden vegetables?
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