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| Description: A lake’s littoral zone extends around the shore to a depth where rooted aquatic plants stop growing. Its limnetic zone is the open waters where light penetrates and photosynthesis occurs. Below that lies the cool, dark profundal zone, where detrital food chains predominate. limit of effective light penetration Picture Stats: Views: 129 Filesize: 284.63kB Height: 887 Width: 1500 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47299 |