When Does an Atoll Start to Form?
When Does an Atoll Start to Form? An atoll or coral reef begins to form when tiny marine animals called coral polyps attach themselves to rocks on the sea bed. The...
Read MoreWhen Does an Atoll Start to Form? An atoll or coral reef begins to form when tiny marine animals called coral polyps attach themselves to rocks on the sea bed. The...
Read MoreYes, fish do sleep. Because they have no eyelids, they cannot close their eyes, and it may look as though they never sleep. Many fish sleep by simply remaining very...
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