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grouped based on abiotic factors such as water flow, distance from shore, salinity and latitude
transitional aquatic ecosystems
aquatic environments that are a combination of two or more different environments;
areas of land such as marshes, swamps and bogs that are saturated with water and that suport aquatic plants
an ecosystem that is formed where freshwater form a river or a stream merges with salt water from the ocean
divided into vertical zones: low-tide zone, mid-tide zone, high-tide zone, spray zone
only during high tides that this part of shoreline is sprayed with salt water and few plants & animals are able to live in this environment
receives more water than the spray zone, so more plants & animals are able to live there
undergoes severe disruption twice a day as tides cover & uncover the shoreline with water
animals living here include may species of fish, sea turtles, jellyfish, whales and dolphins
remains on constant darkness and generall y is cold, but has thermal layering with a mixing of warm and cold ocean currents
On the seafloor along the boundaries of the Earth's plates, hydrothermal vents spew large amounts of hot water, hydrogen sulfide and other minerals in this zone
symbiotic relationship coral polyps have with algae; algae provide corals with food & in turn, coral provides protection and access to light for he algae
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