Floodplains and Wetlands

A floodplain is adjacent to a _______________ and is periodically covered with water.

• ocean
• water pipeline
• stream
• parking lot

Floodplains are important because they provide a place for flood water to

• go when the channel overflows 
• dissipate (reduce) energy 
• reduce in velocity
• All are correct

Floodplains are a valuable natural resource because they are used for many human activities including housing.

• True
• False

A detrimental  (negative) impact of development on a flood plain include

• less sediment
• increased flooding
• decreased stream velocity

All are types of wetlands except for 

• swamps
• levees
• marshes
• bogs

Wetlands do all of the following except

• decrease populations
• decrease pollution
• trap nutrients
• slow down flood water

Which are under water for longer periods of time?

• Wetlands
• Floodplains

Both floodplains and wetlands are always found nearby a river or stream.

• True
• False