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1) The aquatic biome is the ______________________ in the
world.
2) ______% of the Earth’s surface is covered with water.
3) Water comes in the form of oceans, ___________, rivers,
ponds, ________, _____________, bogs, and swamps.
4) The Earth’s water is divided into: ______________________
regions and ______________________ regions.
5) The main difference between saltwater regions and freshwater
regions is the content of ____________.
6) Saltwater regions contain a high content of
________________.
7) Salt content in freshwater is less than ________%.
8) Saltwater is _______ used as a water source for humans.
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9) Freshwater regions are found near __________________.
1) Saltwater regions are also known as ______________ regions.
2) Saltwater regions include ______________ and
________________.
3) Coral reefs are barriers of coral on the ___________ _________.
4) _____________: a stream or river that merges with the ocean.
5) The Earth has _______ major oceans:
_____________, _____________, _____________,
_____________, _____________
6) ____________ takes in carbon dioxide and provides much of the
Earth’s oxygen supply.
7) Animals of the saltwater regions include:
___________________, ___________________,
___________________, and ___________________,
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1) Freshwater regions include ________________,
________________, ________________,
________________, and ________________.
2) Freshwater regions can be divided into: ____________
___________ _____ __________ and ____________
___________ _____ __________.
3) Ponds are _______________, while lakes are permanent.
4) Rivers are formed by __________________.
5) Freshwater contains less than _____% of salt.
6) Wetlands can be formed by:
_________________, erosion, _____________
___________, ______________ dams, and human
engineering, such as ______________ systems and highway
construction.
7) Animals of the freshwater regions include:
___________________, ___________________,
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___________________, and ___________________,
_________________________
_________________________
_________________________
_________________________
_________________________
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1) The aquatic biome is the largest in the world.
2) 75% of the Earth’s surface is covered with water.
3) Water comes in the form of oceans, oceans, rivers, ponds,
streams, wetlands, bogs, and swamps.
4) The Earth’s water is divided into: saltwater regions and
freshwater regions.
5) The main difference between saltwater regions and freshwater
regions is the content of salt.
6) Saltwater regions contain a high content of salt.
7) Salt content in freshwater is less than 1%.
8) Saltwater is never used as a water source for humans.
9) Freshwater regions are found near land.
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1) Saltwater regions are also known as marine regions.
2) Saltwater regions include oceans and
estuaries .
3) Coral reefs are barriers of coral on the ocean floor .
4) Estuary : a stream or river that merges with the ocean.
5) The Earth has 5 major oceans:
Pacific , Atlantic , Indian , Artic , Southern
6) Algae takes in carbon dioxide and provides much of the Earth’s
oxygen supply.
7) Animals of the saltwater regions include:
jellyfish, sea stars, seaweed, and fish
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1) Freshwater regions include ponds, lakes, rivers, streams, and
wetlands.
2) Freshwater regions can be divided into: standing bodies of
water and floating bodies of water
3) Ponds are temporary, while lakes are permanent.
4) Rivers are formed by streams.
5) Freshwater contains less than 1% of salt.
6) Wetlands can be formed by:
glaciers, erosion, natural forces, beaver dams, and human
engineering, such as irrigation systems and highway
construction.
7) Animals of the freshwater regions include:
frogs, snails, trout, and cattails.
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