Ecologists study interactions within and among which five levels of organization?
a. cell, organism, atom, ecosystem, and molecule
b. atom, molecule, cell, organism, and population
c. molecule, cell, atom, community, and biosphere
d. organism, population, community, ecosystem, and biosphere
e. atom, organism, cell, biosphere, and population
D
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Which statement is true with regard to subduction zones?
A) They are also referred to as hot spots. B) They are sites where lithospheric plates are diverging or pulling apart. C) They are marked by the presence of mid-ocean ridges. D) They are zones where old seafloor descends into the crust and mantle.
Why does the heat budget vary with latitude?
a. The angle of the sun at varying latitudes b. The proximity to magnetic poles c. Atmospheric circulation currents disperse solar radiation d. The axis of the Earth
Environmental economists agree that it is important to put a price on carbon as a way to address some of the environmental and health costs of using fossil fuels.
Answer the following statement true (T) or false (F)
At night, when the weather is extremely cold and dry, atmospheric pressure in the trophosphere
a. increases with increasing altitude. b. remains constant with increasing altitude. c. decreases with increasing altitude. d. first increases, then decreases with increasing altitude. e. stays the same, then drops suddenly.