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Section 3.4
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1
Which of the following best describes how one can be fully involved in environmental stewardship?
A)taking responsibility for yourself only within your local ecosystem
B)deciding to recycle toxic materials, such as batteries
C)taking an active role in assuming responsibility for the welfare of the entire biosphere
D)removing invasive species from your schoolyard
2
The introduction of the European fly to regulate Gypsy moth caterpillar populations is an example of…
A)bioaugmentation
B)biocontrol
C)bioremediation
D)succession
3
Bioaugmentation is used to…
A)eliminate alien species.
B)re-establish creek beds.
C)clean up contaminated areas.
D)add essential nutrients to depleted soils.
4
What types of methods do ecologists use to control alien species?
A)biocontrol and chemicals
B)bioaugmentation and chemicals
C)biocontrol and bioremediation
D)bioremediation and reforestation
5
Which of the following are potential ecological changes that may occur due to development of the Alberta Tar Sands?
A)establishment of new healthy wetlands
B)accumulation of toxic waste
C)increased biodiversity
D)reforestation of the boreal forest





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