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Practice Quiz
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1

Biodiversity is a broad term that describes the diversity of ______ in a region.
A)Genes
B)Species
C)Ecosystems
D)All of the above
2

Mutations are changes in the
A)Appearance of an organism
B)Genetic information of an organism
C)The reproductive rate of an organism
D)None of the above
3

Species diversity is the
A)Survival rate of a species in an area
B)Reproductive rate of a species in an area
C)Measure of the number of different species in an area
D)None of the above
4

The taxonomic group with the greatest number of described species is
A)Fish
B)Birds
C)Plants
D)Insects
5

According to the World Conservation Union, the majority of threatened species are at risk due to
A)Loss of habitat
B)Hunting
C)Pesticides
D)None of the above
6

Forests serve not only as habitats, but also
A)Modify climates
B)Reduce run-off
C)Reduce soil erosion
D)All of the above
7

Patchwork clear cutting is a more environmentally-friendly method of timber harvesting than clear cutting.
A)True
B)False
8

Habitat loss cannot occur in aquatic systems.
A)True
B)False
9

A major environmental concern for freshwater aquaculture is nutrient overload.
A)True
B)False
10

Invasive species are
A)Plants
B)Animals
C)Fish
D)All of the above







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