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3.3 & 3.4 Review
Test Description: Ecology review
Instructions: Answer all questions to get your test result.
1) Compared to land, the open oceans
A
are rich in silica and iron.
B
contain unlimited nitrogen.
C
are nutrient-poor environments.
D
have less zooplankton.
2) All the interconnected feeding relationships in an ecosystem make up a food
A
network
B
web
C
chain
D
interaction
3) The total amount of living tissue within a given trophic level is called the
A
organic mass
B
biomass
C
trophic mass
D
energy mass
4) Carbon cycles through the biosphere in all of the following processes EXCEPT
A
transpiration
B
decomposition of plants and animals
C
photosynthesis
D
burning of fossil fuels
5) The movements of energy and nutrients through living systems are different because
A
energy forms chemical compounds, and nutrients are lost as heat.
B
energy is limited in the biosphere, and nutrients are always available.
C
nutrients flow in two directions, and energy recycles.
D
energy flows in one direction, and nutrients recycle.
6) When water is absorbed into the ground, this process is
A
taken up through transpiration
B
evaporation
C
becoming groundwater
D
precipitation
7) Only about 10% of the energy in a trophic level is available to organisms in the next trophic level
A
True
B
Fals
C
Not me
D
Not me
8) Aquatic ecosystems can receive a large input of a limiting nutrient from the runoff from heavily fertilized fields
A
True
B
Not me
C
False
D
Not me
9) An organism that uses inorganic chemicals to make their own energy are
A
decompsers
B
scavengers
C
Photosynthetic
D
chemosynthetic
10) What are bacteria?
A
Producers
B
Consumers
C
Decomposers
D
Scavengers
*select an answer for all questions
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