What name is given to the geographical line separating Australian from Oriental fauna?
a) Plimsoll Line, b) Mason Dixon Line,
c) Wallace's Line
How long does it take the Earth to complete one orbit around the Sun?
The common European honeybee, Apis mellifera, was introduced into North America in the early 1600's. In the late 1980s and the 1990s it appeared to be in danger of disappearing across most of this nation and from other countries of the world. What type of small parasitic insect was responsible for this dramatic destruction of both feral and commercial populations?