What environmental impact did the introduction of livestock have on the California ecosystem?
a. It led to overgrazing and well-worn trails on the hillsides.
b. It led to an increase in some native wild animals that fed on livestock.
c. It led to the extinction of native plant species.
d. all of the above.
d
You might also like to view...
Peoples practicing "forest efficiency" __________
A) relied on intensive agriculture B) hunted and gathered available resources C) had a precarious life and often starved D) mainly lived in deserts
The immigrants to the United States who arrived during the wave of "New Immigration" around the turn of the century came primarily from
a. southern and eastern Europe. b. northern and western Europe. c. Protestant communities. d. industrialized areas.
Which of the following men was NOT a serious Democratic contender for the presidency in 1932?
A) Harry Truman B) Al Smith C) John Nance Garner D) Franklin Roosevelt
In addition to the Ukraine, what territories remained a part of Russia after the revolution?
a. Finland. b. Caucasus Mountains. c. Poland. d. Prussia. e. Lithuania.