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Sci Ch4 L4
Terms in this set (12)
Tiny organisms that float in the water
Organisms that swim through the water in aquatic ecosystems
Organisms that live in the bottom of an aquatic ecosystem
A boundary where a freshwater ecosystem meets a saltwater ecosystem
The shallowest part of the ocean ecosystem, where the ocean floor is covered and uncovered as the tide goes in and out
What percent of Earth's water is salt water?
What percent of Earth's water is fresh water?
What are limiting factors in aquatic ecosystems?
amount of light, dissolved salts and oxygen, and temperature
Where is most life found in aquatic ecosystems?
in surface and shallow waters where photosynthesis can take place
What zone of an ocean ecosystem has no producers?
What is the main plant in marshes?
What are the functions of marshes?
they soak up excess water from storms, and they filter river water trapping nutrients and pollution
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