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