Multiple Choice
The five major factors contributing to extinction today are_____________ .
A) hunting,fishing,habitat destruction,crop production,and the draining of wetlands
B) habitat loss,invasive species,pollution,overexploitation,and climate change
C) air pollution,water pollution,toxic waste,ozone depletion,and agriculture
D) catastrophic storms,invasive species,earthquakes and associated tsunamis,pollution,and agriculture
Correct Answer:

Verified
Correct Answer:
Verified
Q5: The ecotourism industry relies upon_ .<br>A)an interest
Q6: Species that are found only in specific
Q7: Extinction is_ .<br>A)the loss of communities from
Q8: Species richness is affected by many variables.As
Q9: _have greater species richness than_ .<br>A)Deserts;tropical rainforests<br>B)Tropical
Q11: Genes are located on molecules called_ .<br>A)nuclei<br>B)deoxyribonucleic
Q12: In general,biodiversity is_ .<br>A)75% plant species and
Q13: A small flock of birds becomes stranded
Q14: The greatest threat to global biodiversity is
Q15: Explain why today's estimate of the number