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Practice Quiz
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1What percent of marine fisheries were over-fished or fished to capacity by the year 2003?
A)30
B)50
C)70
D)90


2The colonization of a bare rock is called
A)Primary succession
B)Secondary succession
C)Interim Succession
D)Evolution


3In general a climax community has
A)Relatively constant biomass
B)Specialized ecological niches
C)Recycling of nutrients
D)All of the above


4Biomes are
A)Terrestrial climax communities with wide geographic distribution
B)Organisms that live on rocks
C)Plants that spread over an area
D)Animals that live on prairies


5All deserts are hot and dry.
A)True
B)False


6Fire is an important event in maintaining grasslands.
A)True
B)False


7There are no plants that grow in the tundra.
A)True
B)False


8Which of the following are pelagic organisms?
A)Whales
B)Trees
C)Phytoplankton
D)None of the above


9Periphyton include
A)Aquatic organisms attached to surfaces such as rocks
B)Fish
C)All aquatic organisms
D)All terrestrial organisms


10Estuaries are particularly productive aquatic areas because
A)They are connected to the ocean
B)Shallow water allows light to penetrate and increases photosynthesis
C)They have large abyssal areas
D)None of the above


11The opposite of eutrophic is
A)Trophic level
B)Oligotrophic
C)Limnetic
D)Benthic





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