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shared by JI-Yoon K on 16 Nov 12 - No Cached

The scientific name is Lemna minor.
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By justinbaeder on flickr Duckweed is the smallest flowering plant. It is found all around the world except for the coldest areas. It grows in slow moving fresh-water.
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Cattails are very common in ponds and lakes. The scientific name for a cattail is Typha latifolia. There leaves are flat, 8-15 tapering. There colors are usually brown, or light brown.
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Water lilies are also called lily pads.Water lilies have thick, sturdy stems.They are custom built to float on top of the water.
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Water lilies are becoming endangered because the wetlands are becoming endangered. The scientific name for a water lily is Nymphaea ororata.
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There are 7,000 different types of Green Algae in many different types of habitats.It can be unicellular or multicellular. Algae intertwines within eachother to look bigger and be stronger.Some organisms depend on Green algae to conduct photosynthesis for them. The scientific name for Green Algae is Pediastrum boryanum.
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Plant plankton or Phytoplankton is a single celled organism that changes carbon dioxide into oxygen that humans can breath. Most plankton can only be seen with a microscope, although some aquatic animals are considered plankton to. Because of the way theyfloat through the water. The scientific name for Phytoplankton isCylindrospermopsis raciborskii.
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shared by JI-Yoon K on 15 Nov 12 - No Cached

A vast majority of rivers originate in hills and mountains or are formed as a result of melting glaciers
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. Rain water and melting snow fall down the mountains in the form of multiple streams that meet at a confluence where the water body becomes large and gets transformed into a river.
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Streams are small water bodies existing by themselves but add up when they meet to form a large river.
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Streams are shallower than rivers and some of the streams are such that one can easily walk through or pick up if he drops and object accidentally into it.
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Despite carrying smaller amount of water, streams are very turbulent because of falling from great heights.
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They have great erosion powers and erode sediments that they carry along with them into river. River carries this sediment into larger water bodies such as ocean or a lake.
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