CH. 6 Science Review Test (Part 2)

No sunlight penetrates

• Photic Zone
• Aphotic Zone
• Benthic Zone

Enough sunlight for photosynthesis

• Photic Zone
• Aphotic Zone
• Benthic Zone

Bottom of the body of water

• Photic Zone
• Aphotic Zone
• Benthic Zone

Freshwater ecosystems have _____ salinity, vary in __________, and can be ____________ or _______________.

• low / depth / flowing or standing
• high / temperature / flowing or standing

Wetlands are areas of land flooded with water the entire year.

• True
• False

Which one is NOT a characteristic of source waters in rivers and streams?

• Cold
• Swift
• Full of oxygen
• Full of carbon dioxide

What is the source of rivers and streams?

• The end of the river
• The beginning of the river

In rivers and streams, where is the source located?

• High in the mountains
• Low in the valleys

What is a tributary?

• A smaller river flowing into a bigger one
• A bigger river flowing into a smaller one

An area of land drained by a river and all of its tributaries is called a...

• Waterhouse
• Watershed