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Ecology Test 1 Review
Test Description: Test 1 Review
Instructions: Answer all questions to get your test result.
1) Energy transfers upward but is ______________ with each transfer.
A
dimished
B
increased
C
constant
2) Food chains represent many food webs combined.
A
False
B
True
3) A source food web represents populations and their
A
predators
B
prey
C
history
D
total energy
4) A sink food web represents populations and all of their
A
total energy
B
history
C
prey
D
predators
5) A paleoecological web is
A
a web based on prey
B
a web based on predators
C
a web based on energy fluxes
D
a web built from the fossil record
6) The foundation building block for all living things is
A
hydrogen
B
oxygen
C
nitrogen
D
carbon
7) Cellular respiration is
A
A series of reactions by which green plants and some other organisms use sunlight to make food from CO2 and water.
B
A process where mitochondria in the cells use oxygen to break up sugar into an energy form that can be used by the cells.
8) Photosynthesis is
A
A series of reactions by which green plants and some other organisms use sunlight to make food from CO2 and water.
B
A process where mitochondria in the cells use oxygen to break up sugar into an energy form that can be used by the cells.
9) Organisms need nitrogen, but they can't use it in the form found in the atmosphere.
A
True
B
False
10) While energy decreases as it moves up the food chain, toxins also decrease in potency.
A
false
B
true
*select an answer for all questions
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