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Practice Quiz
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1Biodiversity is a broad term that describes the diversity of ______ in a region.
A)Genes
B)Species
C)Ecosystems
D)All of the above


2Mutations 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


3Species 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


4The taxonomic group with the greatest number of described species is
A)Fish
B)Birds
C)Plants
D)Insects


5According 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


6Forests serve not only as habitats, but also
A)Modify climates
B)Reduce run-off
C)Reduce soil erosion
D)All of the above


7Patchwork clear cutting is a more environmentally-friendly method of timber harvesting than clear cutting.
A)True
B)False


8Habitat loss cannot occur in aquatic systems.
A)True
B)False


9A major environmental concern for freshwater aquaculture is nutrient overload.
A)True
B)False


10Invasive species are
A)Plants
B)Animals
C)Fish
D)All of the above





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