PNHS-Marcelo Green ALS Test: Fresh Water Ecosystem

Smaller streams and rivers (tiny rivers) that feed into a large river or lake are called ________.

• Runoff
• Watersheds
• Tributaries
• River Systems

Abiotic means: 

• Living
• Dead
• Non-living
• Water

What kind of plants show you that you are in a bog?

• grasses
• trees
• moss

Wetlands are important to humans because:

• they provide flood protection
• they improve water quality
• they act as a filter
• all of the above

An ecosystem has :

• living things
• living and nonliving things
• nonliving things
• nothing

What is the next stage after EVAPORATION in the water cycle?

• CONDENSTATION
• GROUNDWATER

What is it called when plants give off water vapor as a waste product?

• condensation
• evaporation
• sublimation
• transpiration

97% of Earth's water is __________ water.

• Fresh
• Salt

When water _________, dew forms.

• Melts
• Evaporates
• Condenses
• Precipitates

The energy for the water cycle originally comes from the

• sun
• clouds
• salinity
• ice