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Section 3.1
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1
Biodiversity is…
A)the number of organisms found within a specific region.
B)the variety of organisms found within a specific region.
C)the number and variety of organisms found within a specific and defined region.
D)the number and variety of organisms found within a larger geographic area.
2
How many species on Earth have scientists discovered to date?
A)one hundred thousand
B)two million
C)five million
D)ten million
3
Which of the following sampling methods would be best to use to collect insects?
A)quadrant sampling
B)transect sampling
C)canopy sampling
D)netting
4
Why has the Carolinian Canada area been declared a biodiversity hotspot?
A)The area has a higher number of species than anywhere else in Canada.
B)The area is the largest deciduous forest in Canada.
C)There are endangered orchids found in the deciduous forest.
D)The area is home to many migratory birds.
5
Where are most of the biosphere’s diversity hotspots found?
A)desert environment
B)tropics
C)temperate zone
D)tundra





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