because universities have a lot of money, these bikes will be better maintained than the
ones owned privately by college students who tend to have little money.
86. The number of cattle slaughtered every year for meat far exceeds the number of elephants slaughtered
every year for their ivory. Despite this, cows can be found everywhere while elephants are on the
verge of extinction in some countries. Which of the following best explains this difference?
Cows can be privately owned while in many countries elephants can not.
The demand for ivory far exceeds the demand for beef.
Animals slaughtered for their meat are generally better conserved by humans than animals
slaughtered for nonfood uses.
People tend to protest more every year to prevent cow extinction than they do for elephant
extinction.
87. In Zimbabwe and Botswana, elephants can be owned by local tribes and trade in ivory is legal, while
in countries such as Kenya, it is illegal to trade in ivory and elephants cannot be privately owned but
are protected by the government. Which of the following is true regarding the change in the elephant
populations since 1979 in these countries?
In Zimbabwe and Botswana, elephants are near the verge of extinction, while in Kenya,
the population of elephants is growing rapidly.
There has been a similar decline in the population of elephants in all of these countries.
There has been a similar increase in the population of elephants in all of these countries.
In Zimbabwe and Botswana, elephant populations have more than doubled, while in
Kenya, the population of elephants has fallen to less than one-third of its previous level.
88. In Africa, which of the following policies has been most successful at increasing elephant populations?
Banning the ivory trade by making the buying and selling of ivory illegal.
Making elephants the common property of the people of the country through government
ownership and control and making the killing of elephants illegal
Allowing private ownership of elephants and making the ivory trade legal
When used together, the policies in a and b have been more successful than the policy in c.
89. Beginning in the early 1990s, private landowners in Zimbabwe have started fencing in large areas of
land that contain black rhinos, which were on the verge of extinction. These private owners charge fees
for a stay at the lodges on the property (eco-tourism) and also sell hunting safaris and photo safaris. As
a result,
the population of black rhinos has fallen substantially.
the population of black rhinos has increased.
many black rhinos are being poached.
the incomes of residents in Zimbabwe has fallen substantially.