The symbiotic algae that live in the cells of coral accomplish photosynthesis, which allows the coral to absorb nutrients that it metabolizes to build its bone structure. And the algae's abundant pigments are responsible for coral's vibrant colors.
首先是寄居在珊瑚細胞內的共生藻行光合作用，產生營養物質供給珊瑚進行新陳代謝和協助骨骼堆積，而它們豐富的色素，也使珊瑚群顯現各種活潑色彩。