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WorksheetsTrophic Levels/Succession
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
What does one call an organism's role in the food chain?
a)
Abiotic
b)
Trophic Level
c)
Biotic
d)
Ecosystem
2.
What goes in the blank for A?
a)
Carbon dioxide
b)
Fossil Fuel
c)
Respiration by animals
d)
Combustion
3.
What goes in the blank for C?
a)
Carbon dioxide
b)
Combustion of Fossil Fuel
c)
Decomposition
d)
Assimilation by land
4.
What does the first law of thermodynamics state?
a)
Energy cannot be created nor destroyed
b)
Energy can be created
c)
Energy is lost when changing from one form to another
d)
Only 10% of energy is passed to the next trophic level
5.
What does the second law of thermodynamics state?
a)
Energy cannot be created nor destroyed
b)
Energy is lost when changing from one form to another
c)
Energy can be increased when changing from one form to another
d)
Mass is not related to energy
6.
What goes in blank I?
a)
Decomposition
b)
Carbon dioxide
c)
Respiration by plants
d)
Combustion of fossil fuels
7.
What word could be used to describe the tendency towards disorder?
a)
Mass
b)
Work
c)
Entropy
d)
Free energy
8.
What organisms are found at the base of the trophic level pyramid?
a)
Consumers
b)
Carnivores
c)
Bottom predators
d)
Producers
9.
What is another word for consumers?
a)
Producers
b)
Autotrophs
c)
Plants
d)
Heterotrophs
10.
What is another name for producers?
a)
Carnivores
b)
Heterotrophs
c)
Autotrophs
d)
Predators
11.
When moving from one trophic lever to the next, how much energy is LOST?
a)
10%
b)
90%
c)
All of the energy is lost
d)
64.5%
12.
What goes in blank H?
a)
Carbon dioxide
b)
Formation of fossil fuel
c)
Respiration by animals
d)
Respiration by plants
13.
What goes in blank G?
a)
Assimilation by land
b)
Assimilation by ocean
c)
Combustion
d)
Decomposition
14.
What goes in blank F?
a)
Respiration of animals
b)
Decomposition
c)
Assimilation by the ocean
d)
Combustion
15.
What does one call the gradual, step-by-step regrowth of species in an area?
a)
Succession
b)
Entropy
c)
Ecesis
d)
Nudation
16.
What goes in blank B?
a)
Decomposition
b)
Assimilation by land
c)
Respiration of plants
d)
Combustion
17.
What does one call the development of a community where there has not been one?
a)
Entropy
b)
Primary succession
c)
Secondary succession
d)
Pioneer species
18.
What type of succession would likely follow a forest fire?
a)
Primary succession
b)
Secondary succession
c)
Tertiary succession
d)
Quaternary succession
19.
What type of succession would proceed from bare rock- no soil- no organisms?
a)
Entropy
b)
Primary succession
c)
Secondary succession
d)
Volcano
20.
What would one call the outcome of succession in an ecosystem?
a)
Disruption
b)
Climax community
c)
Thermodynamics
d)
Ten percent rule
21.
Which of the following is listed as a cause of ecosystem disruption?
a)
Climate
b)
Mechanical
c)
Electrical
d)
Pioneer species
22.
What does one call the first organisms that begin growing after an ecosystem disruption, i.e. lichens?
a)
Primary consumers
b)
Secondary consumers
c)
Pioneer species
d)
Trophic plants
23.
Which of the following is listed as a cause of disruption?
a)
Man
b)
Producers
c)
Entropy
d)
Second law of thermodynamics
24.
Which of the following could be a cause of ecosystem disruption?
a)
Plowing
b)
Logging
c)
Mining
d)
All of these
25.
In the trophic level pyramid, at what level would there be more mass?
a)
A
b)
B
c)
C
d)
D
26.
At what trophic level of the pyramid would you find the least energy?
a)
A
b)
B
c)
C
d)
D
27.
If one finds 1000 joules at the base of the pyramid, how many joules would make it to the second level?
a)
10
b)
100
c)
900
d)
90
28.
What does one call an organism that produces its own food?
a)
Consumers
b)
Heterotrophs
c)
Autotroph
d)
Succession
29.
Which of the following is NOT listed as a cause of ecosystem disruption?
a)
Man
b)
Climate
c)
Natural
d)
Mechanical
30.
What principal includes the concept that states that energy can only be converted from one form to another?
a)
First law of thermodynamics
b)
Second law of thermodynamics
c)
Primary succession
d)
Secondary succession
31.
Would a lion be more like to be found at the base of the trophic level pyramid or the top?
a)
Base
b)
Top
32.
What would one call a balanced, stable community that ideally forms after succession?
a)
Primary succession
b)
Secondary succession
c)
Climax community
d)
Pioneer species
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