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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
community
B
biome
C
biosphere
D
ecosystem
2) Plants are
A
consumers
B
herbivores
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
experimenting
B
observing
C
modeling
D
questioning
4) The total amount of living tissue within a given trophic level is called the
A
trophic mass
B
biomass
C
energy mass
D
organic mass
5) The movements of energy and nutrients through living systems are different because
A
nutrients flow in one direction and energy recycles.
B
ev=cergy flows in one direction and nutrients recycle.
C
energy is limited in the biosphere and nutrients are always available.
D
energy forms chemical compounds and nutrients are lost as heat.
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
phosphorus definciency
B
oxygen deficiency
C
ammonia deficiency
D
calcium carbonate deficiency
7) An organism that uses energy to produce its own food supply from inorganic compounds is called a(an)
A
consumer
B
heterotroph
C
autotroph
D
detritivore
8) The repeated movement of water between Earth\'s surface and the atmosphere is called
A
the water cycle
B
evaporation
C
precipitation
D
the condesation cycle
9) Most of the energy available to a consumer trophic level is used by organisma for
A
performing photosynthesis
B
respiration, movement, and reproduction
C
transfer to the next trophic level
D
producing inorganic chemical compounds
10) Nitrogen fixation is carried out primarily by
A
bacteria
B
consumers
C
humans
D
plants
*select an answer for all questions
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