Which of the following provide a mechanism for the transport of nonpolar molecules through a membrane?
A) active transport
B) diffusion
C) specific channels
D) all of these
B
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What has replaced the native biodiversity that was contained in prairie ecosystems in the central part of the U.S.?
What will be an ideal response?
Teaching people to use forests in a sustainable way to produce lawn furniture represents
A) human capital affecting renewable resources, generating produced capital. B) social capital affecting nonrenewable resources, used in the creation of recycled capital. C) recycling of nonrenewable resources to generate social capital. D) knowledge assets impacting nonrenewable resources in the generation of social capital.
Vegetarians function as ________ in agricultural ecosystems
A) secondary consumers B) omnivores C) primary producers D) primary consumers E) decomposers
The displacement of absolute space by relative space means that economic development becomes less dependent on ________ and more dependent on ________
A) relations with nature; social relations across space B) competitive advantage; comparative advantage C) situation; site D) spatial interaction; transportation costs E) none of the above