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The littoral zone of a lake is the near the shore area where sunlight penetrates all the way to the sediment and allows aquatic plants to grow. The benthic zone is the region at the lowest level of a body of a lake including the sediment surface and some sub-surface layers.
You would fine sediment in the benthic zone, or bottom, of a lake.
sunlight reaches the bottom
Lack of Light.
The littoral zone
Benthic algae are algae that grow on the bottom sediments of fresh and salt waterbodies. Benthic algae are most commonly filamentous or colonial forms, but also may be microscopic single-celled organisms. Benthic algae perform various beneficial functions. Benthic algae provide food and habitat for many aquatic organisms. In this way they contribute to the biological productivity of aquatic systems.
It's close enough to the shore, or land, that the sunlight reaches the bottom. So, plants and algae can grow because of the sunlight they receive. :) I hope I helped!
littoral
littoral
The Benthic Zone
Michael James Wynne has written: 'A checklist of benthic marine algae of the tropical and subtropical western Atlantic' -- subject- s -: Marine algae, Benthic plants 'Benthic marine algae from the Seychelles collected during the R/V Te Vega Indian Ocean expedition' -- subject- s -: Marine algae, Benthic plants
The littoral zone