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Cord grass: This is a very common freshwater plant that is often found in estuaries. It has special filters in its roots that remove salt from the water that it absorbs.
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Mangrove trees: This plant has the ability to survive through the constant change in salinity.
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Pickle weed: The pickle weed absorbs salt water and stores the salt in its leaves.
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Salt grass: Salt grass pushes the salt from the water it absorbs to the surface of its leaves and creates little crystals of salt on its leaves.
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Sea Grass: Sea grass has strong roots that plant themselves just a few centimeters below the muddy surface. The roots become interwoven with the roots of surronding plants that it creates an anchor. The grass is also able to absorb salt water.
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Phytoplankton: This microorganism is able to survive the constant change in salinity in the water brought on by the oceans tide. Phytoplankton is also a key food source for many animals living in estuaries.