The biosphere is the highest level of organization in the hierarchy of life on earth. Rank the levels of organization from most complex to simplest.
A) ecosystems > communities > populations > organisms
B) organisms > populations > communities > ecosystems
C) ecosystems > organisms > communities > populations
D) populations > communities > ecosystems > organisms
_____________ cycles connect biological, geological and chemical aspects of organisms in a biosphere.
A) ecological
B) hydrological
C) transpiration
D) biogeochemical
Which example best illustrates the difference between a community and a population?
A) The two terms are interchangeable, a population IS a community.
B) All the people in a town would be a community; all their cattle would be a population.
C) All the people in a town would be a community; all the people in a country would be a population.
D) All the different animals in a national park would be a community; all of the brown bears in the park would be a population.