ENVIRONMENTAL SCIENCE 20
MS. MOORE
TERRESTRIAL ECOSYSTEMS
Environmental Science: Terrestrial Ecosystems Quiz
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This quiz will facilitate the overall assessment of these outcomes:
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Examine the role plants play in an ecosystem, including ways in which humans use plants.
Recognize the need for intact habitat to support animal populations.
Analyze soil as integral component of terrestrial ecosystem.
Please answer the following questions to the best of your abilities 
Plants in the Ecosystem:
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1.) Our class made an amazing community garden this year! List 3 plants we had grown and what they
produced. (3mks)
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b. __________________________________________________________________________
c. __________________________________________________________________________
2.) Identify a traditional OR modern way in which each plant is used: (4mks)
a.
b.
c.
d.
Cotton - _____________________________________________________________
Sweet Grass - _________________________________________________________
Wheat - _____________________________________________________________
Wild Mint - ___________________________________________________________
3.) Illustrate three ways in which plants have an impact on reducing climate change and greenhouse
gases. (3mks)
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4.) Illustrate three ways in which plants are affected by the changing climate. (3mks)
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ENVIRONMENTAL SCIENCE 20
MS. MOORE
TERRESTRIAL ECOSYSTEMS
5.) In a few paragraphs, define photosynthesis, cellular respiration, and net primary productivity and
then compare and contrast the relations between the three. First, define all 3 terms in one paragraph.
Second, compare and contrast the terms in a new paragraph. Make sure to use: photosynthesis,
chloroplast, chlorophyll, stomata, stroma, thylakoid, aerobic respiration, anaerobic respiration, ATP,
and cellular respiration. (13mks)
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ENVIRONMENTAL SCIENCE 20
MS. MOORE
Animal Populations and Soil Contributions:
TERRESTRIAL ECOSYSTEMS
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1.) Define keystone species and give an example of a keystone species that is found on the Prairies.
(2mks)
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2.) Before the North American colonization, the population of the buffalo was very large. Identify a few
main causes for the disappearance of the buffalo in North America. Be specific. (2mks)
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3.) Identify other impacts human society has had on species found around the world. What are some
examples of habitat loss that have been seen? (4mks)
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4.) Distinguish the two main contributions that buffalo made to the Prairie ecosystem and soil. Be
specific. Now that the buffalo are extinct, what animal has taken the buffalos contributing roles and why
is it not as effective as the buffalo were? (6mks)
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ENVIRONMENTAL SCIENCE 20
MS. MOORE
TERRESTRIAL ECOSYSTEMS
5.) Dead organic matter and feces from animals and plants contribute to every soil system. In a few
paragraphs, evaluate the contributions and roles of the diverse organisms found within the soil
environment and explain how they directly influence the soil composition. Be sure to give specific
examples of these organisms and their interactions. (10mks)
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