3 QUIZ 1 FRESHWATER ECOSYSTEMS
WATERSHEDS RIVERS AND AQUIFERS
QUESTIONS AND ANSWERS
What is a biomagnification? - CORRECT ANSWERS -the
process of toxins and other materials accumulating inside
organisms as they are transferred through a food chain
What does the term headwaters mean? - CORRECT
ANSWERS -the beginning of a river
,What does the term confluence mean? - CORRECT
ANSWERS -the place where two or more streams or rivers begin
to flow together
What does the term mouth mean? - CORRECT ANSWERS -
the place where a stream or river meets an ocean
What is a watershed? - CORRECT ANSWERS -a region of
land where all the water is drained into the same water body
What could describe a watershed? - CORRECT ANSWERS -
how water seeps into groundwater
how water collects in lakes and streams
how water flows through the land
how water collects in collects into larger rivers, eventually meeting
the oceans
, Another word for watershed is ____. - CORRECT ANSWERS
-drainage basin
The shape and contours of watersheds are determined by
____________. - CORRECT ANSWERS -topography
What could happen to water in a watershed? - CORRECT
ANSWERS -Some water infiltrates through the ground to be
stored.
Most water at the beginning of a watershed usually flows making
a stream that ends in the mouth of an ocean.
Some water is absorbed and transpired by plants.
Some water gets lost to evaporation from the sun, and some gets
used by humans for drinking and agricultural purposes.