SSM 3301 Final Exam Verified Questions with 100%Correct Answers

SSM 3301 Final Exam Verified Questions with
100%Correct Answers

QUESTION>According to the World Health Organization, in addition to improving access to clean water
and hygiene what is one of the other most basic and effective ways to reduce water-borne illnesses? -
CORRECT ANSWER~improving water management to reduce risks of water-borne infectious diseases



QUESTION>According to TED Speaker, Joe Madiath, water availability improved student attendance at
school because girls were able to go to school instead of spending hours fetching water, every day. -
CORRECT ANSWER~True



QUESTION>What number of people on earth (approximately) lack access to save, clean drinking water?
- CORRECT ANSWER~1 billion



QUESTION>What are some things you could do now or in the future to lessen the impact of
contaminated water on human health? - CORRECT ANSWER~-Support companies that make products or
support work to improve drinking water sanitation in other countries or the U.S.

-Donate to non-profit organizations working to improve water sanitation

-Raise awareness of the issues by talking to your local representatives or even friends and neighbors

-Do short-term of long-term volunteer work with groups like Peace Corps, UNICEF or Engineers without
Borders



QUESTION >nutrients - CORRECT ANSWER~Phosphorus, nitrogen and other constituents that promote
plant and algal growth that if excessive can lead to lake degradation.



QUESTION>temperature - CORRECT ANSWER~This water quality factor is critical for many fish and other
types of aquatic life. Warming may reduce or inhibit some fish from reproducing or thriving in a lake.



QUESTION>habitat - CORRECT ANSWER~The water or shoreline conditions need to be suitable for fish
and aquatic life to live. If lake shores are developed it may eliminate the native vegetation and reduce
the quality of this factor.

, QUESTION>Peter Sorensen mentions that walleye, a popular game-fish, are threatened with
displacement from Wisconsin lakes because of what factor? - CORRECT ANSWER~warmer temperatures



QUESTION>According to Dr. Blann's talk on the Earth's Great Lakes, freshwater forms of life are more
threatened than terrestrial forms of life. - CORRECT ANSWER~True



QUESTION>Over 2000 species in the African Great Lakes region are considered endemic, which means
what? - CORRECT ANSWER~They are only found in that region



QUESTION>The world's Great Lakes in Africa, North America and Lake Baikal contain how much (as a %)
of the world's freshwater when added altogether? - CORRECT ANSWER~72



QUESTION>The invasive "Crown of Thorns" that damages coral reefs is what type of organism? -
CORRECT ANSWER~starfish



QUESTION>Islands are more resistant than mainland areas to invasion by introduced, exotic species. -
CORRECT ANSWER~False



QUESTION>The Asian carp which has invaded the Mississippi River and tributaries like the Illinois River is
threat to aquatic ecosystems for a number of reasons. - CORRECT ANSWER~-They uproot native aquatic
plants

-The outcompete native fish



QUESTION>According to aquatic invasive species guide called "Invaders of the Great Lakes", what is the
most common ways aquatic invasive species are spread or introduced to new lakes and rivers? -
CORRECT ANSWER~by ship ballast water



QUESTION>What is one of the main ecological problems caused by cattail invasion in the article "Cattail
catastrophe"? - CORRECT ANSWER~reduced native biodiversity



QUESTION>Invasive aquatic plants have negative ecological impacts but don't have any practical
negative impacts on recreation or fishing. - CORRECT ANSWER~False