Because it allows them to breathe and function.
Sea stars (or starfish) feed off the oyster beds. If the oyster beds were destroyed it would deplete the major food source of the sea stars and they would begin to diminish.
i had this question and it was price
hope this helps
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not really a pro at health but I can try! I would say have a different diet while healing and stay home from soccer and let it heal. he should go to therapy daily for updates to see if his arm is healing or not. he should not take to much pressure onto his arm.
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