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Practice Quiz
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1

What percent of marine fisheries were over-fished or fished to capacity by the year 2003?
A)30
B)50
C)70
D)90
2

The colonization of a bare rock is called
A)Primary succession
B)Secondary succession
C)Interim Succession
D)Evolution
3

In general a climax community has
A)Relatively constant biomass
B)Specialized ecological niches
C)Recycling of nutrients
D)All of the above
4

Biomes 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
5

All deserts are hot and dry.
A)True
B)False
6

Fire is an important event in maintaining grasslands.
A)True
B)False
7

There are no plants that grow in the tundra.
A)True
B)False
8

Which of the following are pelagic organisms?
A)Whales
B)Trees
C)Phytoplankton
D)None of the above
9

Periphyton include
A)Aquatic organisms attached to surfaces such as rocks
B)Fish
C)All aquatic organisms
D)All terrestrial organisms
10

Estuaries 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
11

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





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