Characteristics
Rivers/Eutrophication
Wetlands
Coral Reefs
Open Ocean
100
The area of an aquatic ecosystem where the most life is.
What is the littoral zone OR near the surface?
100

There tends to be more oxygen in which temperature of water? Hot or cold?

Cold as it is denser so it's harder for pockets of oxygen gas to escape.

100
The difference between swamps and marshes.
What is woody plants vs. grasses/reeds?
100
Areas coral reefs are found.
What are tropical shallow seas?
100

Where most life is in the open ocean.

What is near the surface (more sunlight)?

200
Two factors that determine what survives in an ecosystem
What are sun, temperature, oxygen and nutrients?
200
As a river goes downhill, it gets _________ and _________.
What is wider, slower and warmer?
200
Ports are build in estuaries for these reasons.
What is protection from waves/wind, access to ocean, access to river?
200
All life in a coral reef depends on these organisms.
What are coral polyps.
200
Deep ocean is called the ______ zone.
What is Benthic?
300
Two types of plankton.
What are phytoplankton and zooplankton?
300
Human activities which cause eutrophication.
What are fertilizer use, sewage disposal and animal waste disposal?
300
Humans affect wetlands in these ways.
What are draining and filling, pollution, hunting?
300

The shell coral excrete is made of __________________.

What is calcium carbonate (limestone)?

300

Swamps in tropical or subtropical, coastal regions characterized by trees with tangled roots above the water level

What is a mangrove swamp?

400
Two examples of benthos.
What are worms, barnacles, mussels (bottom-dwellers)?
400
Eutrophication is caused by an excess of these two nutrients.
What are Phosphorus and Nitrogen?
400

Rocky shoreline has more life than sandy for these reasons.

What are places to anchor (hold on to rocks), sand dries out at low tide.

400
Two ways humans affect coral reef ecosystems.
What are pollution, sewage, runoff, oil spills, fishing, sight-seeing...
400
The source of food for most bottom-dwelling organisms.
What are dead organisms?
500
Two examples of nekton
What are whales, turtles, etc (anything free-swimming)?
500
The reason organisms die during Eutrophication.
What is a lack of oxygen?
500

Two important functions of wetlands.

What are filtering pollutants, controlling flooding, homes for wildlife, fish spawning, trap carbon dioxide?

500

The reason coral reefs are such productive ecosystems.

What is habitat for other organisms & plenty of sunlight?

500
The ecosystems in these two areas are extremely dependent on the ocean.
What are the Arctic and Antarctic?
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