生活在珊瑚礁上的动物: sea star,giant clam,tube sponge,seahorsesea turtle, eel, stonefish, trumpetfish, cuttlefish, squirrelfish, shrimp.octopus, shark, cone snail, worm 生活在珊瑚礁上的植物: alga, sea grass 断唯区: reef flat zone, crest zone, reef slope zone 与危害珊瑚礁有关的词: too warm,pollution,fishing,boatingbein danger 处于危险中 bemade up of...由.....组成 play an important role in...在··..··中发挥重要作用 be worried about...担心..-.. provide sth.for...为·...·提供某物 比较状语从句: More sea creatures live along coralreefs than inany other part of the ocean. 被动语态: Each coral group is made up ofmany separate coralpolyps. 时间状语从句: As night falls, life along the reef changes. 定语从句: Millions of people eat the fish that live along reefs