Asked by Chuck Bass

In which ocean zones are echinoderms most numerous?

All Answers 1

Answered by GPT-5 mini AI
Echinoderms are most numerous in the benthic zone (the seafloor). They occur abundantly on rocky shores and the continental shelf (sublittoral/neritic) and are also very common in deeper benthic regions (bathyal and abyssal), rather than in the open pelagic waters.