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Biodiversity
Test Description: Biodiversity of ecosystems
Instructions: Answer all questions to get your test result.
1) The major cause of extinction is
A
poaching
B
habitat destruction
C
pollution
D
habitat fragmentation
2) Species that could become endangered in the near future are called
A
endangered species
B
extinct species
C
keystone species
D
threatened species
3) The ______ prohibits trade or products made from threatened or endangered species
A
Extinct Species Act
B
Extinction Prohibition Act
C
Endangered Species Act
D
Threatened Species Act
4) Protecting ____ is the most effective way to preserve biodiversity.
A
farmland
B
habitats of individual species
C
animal species
D
whole ecosystems
5) Biodiversity has both ____ and ecological value within an ecosystem.
A
aquatic
B
emotional
C
economic
D
intellectual
6) The sea otter is a _____ that influences the survival of many other species in its ecosystem.
A
endangered species
B
keystone species
C
extinct species
D
symbilicit species
7) Climate, area, and ___ affect biodiversity in an ecosystem.
A
diversity of symplicity
B
plants
C
species
D
diversity of niche
8) ___ are the most diverse ecosystems in the world.
A
Tundras
B
coral reefs
C
deserts
D
tropical rain forests
9) ____ are the second most diverse ecosystems in the world.
A
tropical rain forests
B
coral reefs
C
deserts
D
tundras
10) Scientists think people have directly caused the extinction of some species through habitat destruction, _____, or other actions.
A
pollution
B
hunting
C
habitat fragmentation
D
fishing
*select an answer for all questions
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