Climate
Name one of the three major factors that affect the way water circulates on Earth.
What are uneven heating of Earth by the sun, Earth's rotation on its axis, and the physical properties of air, water, and land?
An area at the mouth of a river built up by deposited sediment that often contains estuaries and coastal wetlands.
What is a delta?
These are the marine equivalent of tropical rain forests with regard to large biodiversity and productivity.
What are coral reefs?
Aquatic life zones include freshwater, saltwater, and this type of water.
What is brackish water?
Lands that are covered with fresh water all or part of the time.
What are inland wetlands?
The percentage of carbon dioxide emitted by human activities that oceans absorb from the atmosphere.
What is 25% or more?
This type of lake is typically shallow with murky brown or green water and high levels of nutrients.
What is a eutrophic lake?
Much of this biome has disappeared from Earth because it has been converted to farmland for growing crops and grazing cattle.
What is temperate grassland?
These include standing bodies of water such as lakes, ponds, and inland wetlands, and flowing systems such as rivers and streams.
What are freshwater life zones?
Name the three zones a typical river system flows through.
What are the source zone, transition zone, and floodplain zone?