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Ecology Ch 10
Test Description: Ecosystem Approach to saving biodiversity
Instructions: Answer all questions to get your test result.
1) Which of the following is the biggest problem for U.S. national parks today?
A
huge number of visitors
B
rock collectors
C
soil erosion
D
development
2) Overgrazing occurs when too many animals graze for too long and exceed the carrying capacity of a rangeland area. Overgrazing causes all of the following except
A
increased run off
B
soil compaction
C
invasive species numbers increase
D
increased retention of water
3) One of the reasons for cutting trees is to provide pulp for making paper. However, paper can be made from all of the following except
A
animal fat
B
knapf
C
rice
D
hemp
4) Ecologists and forest fire experts recommend several strategies for reducing fire-related harm to forests and people. Which of the following is not one of those strategies?
A
Thin a zone of 60 meters around houses and buildings in fire prone areas.
B
Encourage growth of young trees and underbrush
C
Set small, contained surface fires in highest-risk forest areas.
D
Thin forest areas vulnerable to fire by clearing away fire-prone trees and underbrush.
5) Protected areas linking isolated reserves is a design called
A
habitat corridors
B
biosphere
C
zoo
D
transition zone
6) The ecosystem approach to sustaining biodiversity follows four of the following principles. Choose which one is not one of these principles
A
Map global ecosystems and create an inventory of the species.
B
Locate and protect the most endangered ecosystems.
C
Make development biodiversity friendly by providing financial incentives.
D
Allow the heavily degraded ecosystems to disappear.
7) Which of the following fire is most likely to be helpful to an ecosystem naturally caused?
A
perscribed
B
crown
C
inferno
D
surface
8) Which of the following can be used to reduce tropical deforestation?
A
all of the other answers
B
increase small scale farming
C
use technology to id cultural resources that need protection
D
harvest renewable resources at a sustainable rate
9) Crown fires are only caused by drought
A
true
B
false
10) What can you do to help sustain terrestrial biodiversity? All of the following are things each of us can do, except
A
avoid planting exotic species
B
no not plant local plants
C
buy sustainable products
D
recycle
*select an answer for all questions
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