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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
habitat destruction
B
poaching
C
pollution
D
habitat fragmentation
2) Species that could become endangered in the near future are called
A
keystone species
B
extinct species
C
endangered species
D
threatened species
3) The ______ prohibits trade or products made from threatened or endangered species
A
Extinct Species Act
B
Threatened Species Act
C
Extinction Prohibition Act
D
Endangered Species Act
4) Protecting ____ is the most effective way to preserve biodiversity.
A
farmland
B
animal species
C
habitats of individual 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
keystone species
B
endangered species
C
extinct species
D
symbilicit species
7) Climate, area, and ___ affect biodiversity in an ecosystem.
A
diversity of niche
B
plants
C
species
D
diversity of symplicity
8) ___ are the most diverse ecosystems in the world.
A
tropical rain forests
B
deserts
C
coral reefs
D
Tundras
9) ____ are the second most diverse ecosystems in the world.
A
tropical rain forests
B
tundras
C
coral reefs
D
deserts
10) Scientists think people have directly caused the extinction of some species through habitat destruction, _____, or other actions.
A
hunting
B
fishing
C
habitat fragmentation
D
pollution
*select an answer for all questions
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