AP Biology (Mader), 11th Edition

Chapter 47: Conservation of Biodiversity

Pre-Test

1
Conservation biology is specifically concerned with all of the following EXCEPT:
A)developing scientific concepts about the nature and evolutionary origin of biodiversity.
B)preserving and managing ecosystems.
C)studying the effect of cigarette smoke on human lungs.
2
Which of the following ethical principles is supported by conservation biology?
A)Extinctions due to human actions are acceptable.
B)Ecosystems should be simplified so they are more manageable.
C)Biodiversity is desirable for the biosphere and humans.
D)Biodiversity generated by evolutionary change has no real practical benefit and is therefore not of real value.
3
It is estimated that in the next 20-50 years, _____ of all species now living will become extinct unless action is taken.
A)1%
B)10-20%
C)50-60%
D)90-95%
4
What group of organisms has the greatest number of described species?
A)Primates
B)Flowering plants
C)Fish
D)Insects
5
Many people treasure dolphins for their beauty and willingness to interact with man, and are therefore motivated to preserve this species. This is an example of a:
A)Keystone species
B)Exotic species
C)Parasitism
D)Flagship species
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