They are home to unique communities of animals 深海热液喷口是独特动物群落的家园
Isolated communities may evolve for millions of years in relative peace, 与世隔绝的动物群落 可能在数百万年内演化出了相对稳定的生态
The hard rock provides excellent anchorage for communities of great variety and stunning color. 坚硬的岩石 给这些绚丽的共生种群提供了很好的停靠地点
The inhabitants of these bustling communities 这些熙熙攘攘的生物群落