Which exotic animal, introduced to Australia, reached plague proportions, and was finally brought under control only after the purposeful introduction of a disease that affected only this particular introduced species?
A) camels
B) dogs
C) goats
D) wallabies
E) rabbits
E
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The circulatory, respiratory, and excretory systems work together to
A. protect the body from disease. B. get rid of cellular wastes. C. transport oxygen to body tissues. D. bring oxygen into the body.
What accounts for the largest proportion of travel by households?
A) vacation travel B) shopping trips C) family visits D) journey-to-work E) chauffeuring children (to school, lessons, sports, etc.)
A shark is most likely to be ____.
A. phytoplankton B. zooplankton C. nekton D. benthos E. decomposers
Which is a characteristic of a less developed country?
a. low percentage of population in agriculture b. high energy use c. low population growth rate d. high birth rate e. high amount of leisure time