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Science Quiz Prep!!!

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Across
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The Amazon River has the _____ watershed in the world.
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An ecosystem where fresh water flows into the ocean
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All of the land that has water flowing into a particular river or body of water
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The _____ River is an important ecosystem in Russia.
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Animals that move freely throughout the ocean
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The _____ River is the longest river in the world.
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Animals and plants that are a real threat to animals in the Great Lakes (and other places!)
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Plants and animals that live on the ocean floor
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The layer of water that sunlight is able to penetrate is called the sunlit or _______ zone.
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Where the ocean meets the land
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A lake that is too shallow to have an aphotic zone
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A smaller stream or river that flows into a larger stream or river
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A _____ forest is part of a dune system and is an area of shrubs and trees with short, twisted limbs.
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The Great Lakes can generate their own ______ systems.
Down
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A rapid exchange of cold and warm water regions within a lake
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The _____ River has the largest volume of any river.
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Five US lakes that provide work and water for over 35 million people
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When corals expel their algae and become white or clear in color - but does NOT always kill the coral.
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The part of the shore that is covered with water at high tide and uncovered at low tide
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______ creatures produce light through a chemical reaction. They live in the deepest parts of the ocean.
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Microscopic aquatic organisms that perform photosynthesis
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Land along the banks of a river or stream
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_____ grass must be tolerant to salt and wind
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Plants and animals that move with the ocean currents
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The _____ in a dune system helps to stabilize the dunes
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Sudden rapid growth of algae
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A coral reef attached to land
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Algae and coral live in close connection, so their relationship is ___________.
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A coral reef formed around a sunken volcano
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______ ecosystems vary as the speed of the river changes.
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A _____ system is found near a beach and is an example of ecological succession (the process where one ecosystem is changing into another ecosystem.)