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Final Exam Review # 5
Test Description: This is the fifth installment of final exam review questions.
Instructions: Answer all questions to get your test result.
1) What two processes work to maintain stable levels of oxygen and carbon dioxide in the atmosphere?
A
Metabolism and pollution
B
Food chains and natural selection
C
Acid rain and pesticides
D
Photosynthesis and respiration
2) Arrows within a food chain or food web represent
A
Producers
B
Transfer of energy
C
Sunshine
D
Consumers
3) What type of organisms recycle materials by the breakdown of organic molecules from dead organisms?
A
Predators
B
Producers
C
Prey
D
Decomposers
4) What type of organism is at the beginning of a food chain?
A
Herbivore
B
Carnivore
C
Consumer
D
Producer
5) What type of organism should all food chains end with?
A
Herbivore
B
Decomposer
C
Plant
D
Producer
6) Approximately what percentage of energy is transferred from one level of a food chain to the next?
A
2
B
10
C
5
D
1
7) What shape is used to represent the amount of energy available or the number of individuals that exist at each level of a food chain?
A
Rectangle
B
Sphere
C
Pyramid
D
Trapezoid
8) What type of organisms would be affected if the number of herbivores in a food chain were decreased?
A
Only carnivores
B
Producers and carnivores
C
Only producers
D
No other organisms would be influenced
9) In what type of symbiotic relationship is one organism harmed while the other organism benefits?
A
Mitotic
B
Commensalistic
C
Mutualistic
D
Parasitic
10) What term describes the number of different types of organisms that live in a particular area is?
A
Biodiversity
B
Natural selection
C
Homeostasis
D
Population
*select an answer for all questions
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