Biodiversity
7 practice questionsEnvironmental ScienceStep-by-step solutions
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1
Biodiversity refers to:
A.The number of rivers in a region
B.The variety of living organisms in an area
C.The amount of rainfall
D.The size of a single species
2
A 'keystone species' is one that:
A.Is the most numerous
B.Has a disproportionately large effect on its ecosystem relative to its abundance
C.Is always a plant
D.Has no ecological role
3
A species found naturally in only one particular region and nowhere else is described as:
A.Invasive
B.Endemic
C.Extinct
D.Domesticated
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