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ENV 121 Final Exam (NOVA)| Questions with 100% Solutions| Verified| Latest Update
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ENV 121 Final Exam (NOVA)|Questions with 100% Solutions|
Verified| Latest Update
What are economic services provided by forests? - Ans 1. Wood fuel
2. Lumber
3. Paper pulp
4. Mining
5. Livestock grazing
6. Recreation
7. Jobs
Which of the following is the most dangerous type of fire? - Ans Crown fires
What are the benefits of surface fires? - Ans -Burn away flammable material to prevent
more destructive fires
-Release mineral nutrients trapped in slowly decaying
matter -Release seeds from cones of certain evergreen
species -Stimulate germination of some tree species -Control
destructive insects and tree diseases
What does overgrazing cause? - Ans Loss of resources
Erosion
Pollution w/turbidity
What are measures to restore ecosystems? - Ans Examples:
, Replanting forests and stream banks
Reintroducing native species
Removing non-native species
Adding fish ladders to dams
What can you do to help sustain terrestrial biodiversity? - Ans -Establish and protect
wilderness parks
-Identify and protect biological hotspots and highly threatened areas of biodiversity
-Protect ecosystem services
-Restore damaged ecosystems
-Share areas that we dominate with other species
Where is the greatest marine biodiversity located? - Ans Reefs (Ex. Great Barrier Reef)
The excessive turbidity, or cloudiness, of Lake Wingra in Madison, Wisconsin,
was caused by the introduction of which of the following? - Ans Common Carp
The first letter "P" in the acronym HIPPCO stands for? - Ans Population growth
or pollution?
Which of the following has the most destructive effects on the ocean-floor
ecosystems? - Ans Trawling
When it appears that it is no longer profitable to continue fishing, as a result of
overfishing, the fish populations are said to be going through? - Ans
Commercial extinction
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