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Chapter 3 Test A
Test Description: The first ten questions for chapter 3.
Instructions: Answer all questions to get your test result.
1) The lowest level of environmental complexity that includes living and nonliving factors is the
A
ecosystem
B
community
C
biosphere
D
biome
2) Plants are
A
herbivores
B
consumers
C
omnivores
D
producers
3) Ehich ecological inquiry method is an ecologist using when he or she enters an area periodically to count the population numbers of a certain species?
A
modeling
B
observing
C
experimenting
D
questioning
4) The total amount of living tissue within a given trophic level is called the
A
energy mass
B
biomass
C
trophic mass
D
organic mass
5) The movements of energy and nutrients through living systems are different because
A
ev=cergy flows in one direction and nutrients recycle.
B
nutrients flow in one direction and energy recycles.
C
energy forms chemical compounds and nutrients are lost as heat.
D
energy is limited in the biosphere and nutrients are always available.
6) Investigating a pond, you note that snails in the pond have thin, weak shells. This is most likely the result of a(an)
A
calcium carbonate deficiency
B
phosphorus definciency
C
ammonia deficiency
D
oxygen deficiency
7) An organism that uses energy to produce its own food supply from inorganic compounds is called a(an)
A
autotroph
B
detritivore
C
consumer
D
heterotroph
8) The repeated movement of water between Earth\'s surface and the atmosphere is called
A
the water cycle
B
precipitation
C
the condesation cycle
D
evaporation
9) Most of the energy available to a consumer trophic level is used by organisma for
A
producing inorganic chemical compounds
B
performing photosynthesis
C
transfer to the next trophic level
D
respiration, movement, and reproduction
10) Nitrogen fixation is carried out primarily by
A
bacteria
B
humans
C
plants
D
consumers
*select an answer for all questions
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