Which of the following is the primary cause of reduced biodiversity in Sumatra and Borneo?
a. replacing forests with palm oil plantations
b. exploiting the areas to harvest fish
c. legalizing the hunting of some species
d. introducing exotic species into the regions
a. replacing forests with palm oil plantations
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All animal cells are diploid except
A. gametes. B. muscle cells. C. nerve cells. D. germ-line cells. E. somatic cells.
In patients who do not have HIV, which underlying condition is considered a risk factor for acquiring PCP?
a. Malaria b. Cystic fibrosis c. Cytomegalovirus d. Myasthenia gravis
Pfiesteria is a(n) ________ that produces a toxin harmful to humans.
A. alga B. protozoan C. helminth D. endospore E. fungus
A translocation involving chromosome 21 can result in
A. a risk for Down syndrome independent of maternal age. B. a risk for Down syndrome dependent on paternal age. C. no increased risk outside of maternal age. D. lowering the risk of Down syndrome. E. no change in the risk for Down syndrome.