The carrying capacity is the number of individuals an environment can support
a. True
b. False
True
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"Fecal snow" is characteristic of
a. Sao Paulo b. Mexico City c. Calcutta d. Rio de Janeiro e. Bombay
The cassava is an important food crop for people living in sub-Saharan Africa. In the 1970s, mealybug infestations destroyed harvests and people starved
A researcher who studied the mealybug in its native environment discovered a parasitoid wasp that was a natural predator. After extensive testing to determine safety, the parasitoid wasp was introduced into the sub-Saharan region with tremendous effect controlling the mealybug throughout most of Africa. This approach represented a form of A) cultural control. B) natural enemies control. C) genetic control. D) natural chemical control.
Although we often see thunderstorms forming where the surface air is quite warm and humid, they may also form when the surface air temperature is 10 degrees Celsius (50 degrees Fahrenheit) or even lower
a. True b. False
What are igneous rocks that form under Earth’s surface?
A. extrusive B. volcanic C. schists D. plutonic E. organics