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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
Food chains and natural selection
B
Photosynthesis and respiration
C
Metabolism and pollution
D
Acid rain and pesticides
2) Arrows within a food chain or food web represent
A
Consumers
B
Producers
C
Sunshine
D
Transfer of energy
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
Carnivore
B
Producer
C
Consumer
D
Herbivore
5) What type of organism should all food chains end with?
A
Decomposer
B
Producer
C
Herbivore
D
Plant
6) Approximately what percentage of energy is transferred from one level of a food chain to the next?
A
10
B
1
C
5
D
2
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
Trapezoid
B
Rectangle
C
Sphere
D
Pyramid
8) What type of organisms would be affected if the number of herbivores in a food chain were decreased?
A
Only carnivores
B
Only producers
C
No other organisms would be influenced
D
Producers and carnivores
9) In what type of symbiotic relationship is one organism harmed while the other organism benefits?
A
Commensalistic
B
Mitotic
C
Mutualistic
D
Parasitic
10) What term describes the number of different types of organisms that live in a particular area is?
A
Natural selection
B
Biodiversity
C
Population
D
Homeostasis
*select an answer for all questions
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