A) ACF
B) ACD
C) DCA
D) BAF
E) DBA
239. In the food web, what two organisms are competing for food?
A) D and F
B) A and B
C) A and C
D) D and E
E) B and D
240. Which of the following descriptions about the organization of an ecosystem is
correct?
A) Populations make up species, which make up communities
B) Species make up communities, which make up populations
C) Communities make up populations, which make up speices
D) Species make up populations, which make up communities
E)
Communities make up species, which make up populations
241. The lowest level of environmental complexity that includes living and nonliving
factors is the
A) Ecosystem
B) Biome
C)
Community
D) Biosphere
E) Population
242. Most of the energy available to a consumer trophic level is used by organisms
for:
A)
respiration, movement, and reproduction
B) performing photosynthesis
C) producing inorganic chemical compounds
D) transfer to the next trophic level
E) producing organic from inorganic material
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