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9/11 Step 3 Aquatic Biome CFU AP

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Last updated 9 months ago
4 questions
1
1
1
1
Question 1
1.

Match the aquatic biome with the correct example of its location

Draggable itemarrow_right_altCorresponding Item
Open ocean
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- Amazon River (S.A.)
- Nile River (Africa)
Coral reef
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- Lake Superior (US)
- Loch Ness (Scotland)
Freshwater marsh
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- Florida Everglades
- Okavango Delta
Rivers and streams
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- Galveston Bay
- Morecambe Bay (Britain)
Estuary
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- Great Barrier Reef
- Maldive
Lakes and ponds
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- Pacific Ocean
- Atlantic Ocean
Question 2
2.

Match the aquatic biome with the correct salinity/flow.

Draggable itemarrow_right_altCorresponding Item
Rivers and streams
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- zero/medium
- zero/fast
Freshwater marsh
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- zero/still
Open ocean
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- zero to very low/still
Coral reef
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- brackish water (~0.5-35 ppt)/still to medium flow
Lakes and ponds
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- 35 ppt/current and wave action
Estuary
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- 35 ppt/current and gyre (variable)
Question 3
3.

Match the aquatic biome with the correct biota (flora/fauna)=(plants/animals).

Draggable itemarrow_right_altCorresponding Item
Coral reef
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- algae, moss, cattails
- fish (ex: high O2 = trout, low O2= catfish)
Freshwater marsh
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- algae, emergent plants (i.e. water lily)
- fish, amphibians, turtle, frogs
Lakes and ponds
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- grasses, reeds
- dependent; wading birds, elephant, hippo, beaver
Rivers and streams
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- sedges, reeds, mangroves
- fish, crustaceans, wading birds
Open ocean
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- algae,
- coral, small fish, larger predatory fish (i.e. snappers)
Estuary
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- phytoplankton, kelp, seaweed, seagrass
- large fish, krill, shark, octopus, squid, sea turtle
Question 4
4.

Match the aquatic biome with the correct abiotic factors.

Draggable itemarrow_right_altCorresponding Item
Lakes and ponds
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- as flows, width increases
- steeper slope = faster = more O2
Rivers and streams
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- nutrient runoff causes algal blooms (typically in eutrophic)
Freshwater marsh
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- rich in minerals
- soil is saturated most of plant’s growing season
Estuary
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- rich in nutrients
- salt content and water level varies
Open ocean
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- typically in shallow water = a lot of sunlight and DO due to waves
- nutrient-poor
Coral reef
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- some parts (i.e. tropics) have higher salinity
- upwelling brings up cool, nutrient-rich water