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Envi Sci. 7-Science 4th

envi-sci-7-science-4th

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Estuaries are extremely productive ecosystems because they continually recieve fresh nutrients from and __.

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No sunlight passes through the intertidal zone

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Organisms that live in rivers are adapted to

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Photosynthesis does not happen in aquatic ecosystems

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Coral reeefs are - I. Found in tropical waters -- II. Do not have great diversity in organisms -- III. Created by the skeletons of coral and algae -- IV. Known as the desert of sea

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The shallowest zone of the benthic environment is called the intertidal zone. This zone is characterized by

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What abiotic factors affect aquatic ecosystems?

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What are the types of aquatic ecosystems?

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They are tiny animals that consume phytoplankton. They are also a food source for larger animals like baleen whales.

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Photosynthetic organisms are found mainly in shallow water due to the availability of

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