Ponds/lakes
Rivers
Wetlands
Oceans
Mixed
100
How long do most ponds usually last?
Two months
100
Where can streams and rivers be found?
Everywhere
100
Plant species that adapt to the very moist and humid conditions are called what?
Hydrophytes
100
How many zones are there in the ocean?
4
100
What is the largest ecosystem?
Oceans
200
Lakes and ponds are often isolated from what?
Other water sources
200
Where do rivers and streams start?
The Headwaters
200
Wetlands have the highest what of all ecosystems?
Species Diversity
200
The zone where the ocean meets the land is called what?
The Intertidal Zone
200
What is the largest coral reef in the world?
The Great Barrier Reef
300
How many zones are ponds and lakes divided into?
3
300
Which part of the river is the coldest?
The Headwaters
300
Do salt marshes have high or low salt concentrations?
High
300
The Pelagic zone is called what?
Open ocean
300
Areas where freshwater rivers and streams merge with the ocean are called what?
Estuaries
400
Which zone is the coldest?
The profundal zone
400
Which part of the river does the number of plants and animal species increase
The middle
400
Marshes, swamps, and bogs are considered what?
Wetlands
400
Which zone has the greatest biodiversity?
The Benthic zone
400
The dominant organisms in coral reefs are what?
Coral
500
Where does the temperature of the water change rapidly?
The Thermocline
500
Which part of the river or stream is the murkiest.
The end of the river
500
Shrimp and shellfish live in what type of Wetland?
Salt water
500
The deepest part of the ocean is called what?
The abyssal zone
500
What is the most unique aquatic ecosystem?
Estuaries
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