A biologist is studying a species that is likely to become endangered in the foreseeable future.Based on this information you would conclude that he or she is studying which of the following?
A)A critical species B)An introduced species C)An extinct species D)A threatened species E)A keystone species
Which of the following is a direct value of biodiversity?
A)Wildlife helps dispose of wastes B)Natural areas provide freshwater C)Wildlife provides agricultural resources D)Natural areas regulate climate E)Natural areas prevent soil erosion