How do corals eat?

BBC Earth (Asia) - - Q & A -

Corals are com­mu­nal an­i­mals re­lated to sea anemones and jel­ly­fish. Like their cousins, they catch tiny an­i­mals (called zoo­plank­ton) us­ing sting­ing ten­ta­cles that sur­round the sin­gle body open­ing that acts as both a mouth and anus. Many corals also con­tain sym­bi­otic al­gae called zoox­an­thel­lae. The zoox­an­thel­lae al­low them to get some ex­tra en­ergy through photosynthesis. LV

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