Coral Reefs珊瑚礁(2)
Thousands of fish of all sizes, shapes, and colors live on reefs. They depend on the reef for food and safety. Shrimp, lobsters, c
Thousands of fish of all sizes, shapes, and colors live on reefs. They depend on the reef for food and safety. Shrimp, lobsters, c
珊瑚礁是庞大的海洋群落。数以百万计的动物和海洋植物生活在其中。珊瑚礁是非常热闹的地方。多种珊瑚构成了珊瑚礁。珊瑚既不是岩石也不是植物。它们是被称为珊瑚虫的微小生物。大多数珊瑚虫比豌豆还小。