Biodiversity Question Preview (ID: 49721)


Biodiversity Of Ecosystems. TEACHERS: click here for quick copy question ID numbers.

The major cause of extinction is
a) habitat fragmentation
b) habitat destruction
c) pollution
d) poaching

Species that could become endangered in the near future are called
a) extinct species
b) endangered species
c) keystone species
d) threatened species

The ______ prohibits trade or products made from threatened or endangered species
a) Endangered Species Act
b) Extinct Species Act
c) Extinction Prohibition Act
d) Threatened Species Act

Protecting ____ is the most effective way to preserve biodiversity.
a) whole ecosystems
b) habitats of individual species
c) animal species
d) farmland

Biodiversity has both ____ and ecological value within an ecosystem.
a) economic
b) emotional
c) aquatic
d) intellectual

The sea otter is a _____ that influences the survival of many other species in its ecosystem.
a) extinct species
b) endangered species
c) keystone species
d) symbilicit species

Climate, area, and ___ affect biodiversity in an ecosystem.
a) species
b) plants
c) diversity of niche
d) diversity of symplicity

___ are the most diverse ecosystems in the world.
a) Tundras
b) coral reefs
c) deserts
d) tropical rain forests

____ are the second most diverse ecosystems in the world.
a) coral reefs
b) tropical rain forests
c) tundras
d) deserts

Scientists think people have directly caused the extinction of some species through habitat destruction, _____, or other actions.
a) pollution
b) habitat fragmentation
c) fishing
d) hunting

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