What are the functions of a sea cucumber?

does it ejaculate?|||if it is messed with it releases these long white strands from its pores|||eating and pooping trust me its not pretty.|||The sea cucumbers constantly churn up sediments, and allowing the oxygenation of other species. They feed upon small algae particles, sand, and waste materials. In this way, they become recyclers of the nutrients, contributing to the rich marine environment. The eggs, larvae, and juveniles of the sea cucumbers constitute a source of food for other marine species, including fish, crustraceans, and mollusks.