One of the longest field studies of predator-prey population cycles has been of ________
A) lynx and snowshoe hares
B) grizzly bear and humans
C) bison and prairie grass
D) moose and fox
E) flying squirrels and grizzly bear
A
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Global climate change may cause shifts in biomes because _____
A) biodiversity and day length will change B) mean temperature and precipitation for many areas will change C) many species may become extinct D) food web dynamics will change
The first African country to gain independence after World War II was
A. Nigeria B. Senegal C. Zambia D. Ghana
As the temperature of a body increases, it will radiate energy at ____ wavelengths
a. the same b. longer c. shorter d. only ultraviolet e. only infrared
A battery in a circuit causes a lightbulb to glow by providing energy to which of the following in the wires of the circuit?
a. Electrons b. Protons c. Heat d. Light