However because coral live in nutrient depleted environments, in addition to filter feeding, polyps harbor single - celled
photosynthesizing symbionts inside their cells.
Just 40 years ago it was believed all corals were host to just one
photosynthesizing symbiont, a single species from the dinoflagellate genus Symbiodinium.
Not exact matches
Conversely
symbionts living at greater depths may
photosynthesize more efficiently under low light conditions but are more susceptible to UV damage.