chapter 236 Sister-in-law will make dumplings for you

"Red Coral? There are such things in these shallow waters?" "Of course! Coral polyps belong to the phylum Cnidaria and live in shallow sea areas where sunlight is abundant. Because of the shallow water, they can obtain more sunlight, which is suitable for the temperature. These conditions are favorable for the growth of algae. The algae perform photosynthesis, thus providing more oxygen for the coral polyps." "Are they alive?" Cabin laughed, "It shows you didn't pay attention in biology class....