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WorksheetsBiodiversity Lesson
Total questions: 27
Worksheet time: 15mins
Name
Class
Date
1.
What is NOT factor that threatens biodiversity?
a)
Population growth
b)
Habitat Loss
c)
Overexploitation
d)
Clean water
2.
Overexploitation was once the main cause of what?
a)
Biodiversity
b)
Extinction
c)
pollution
3.
The species that plays the biggest role in the habitat is?
a)
Smaller species
b)
Larger species
c)
Keystone Species
d)
Evolving species
4.
How can habitat disruption affect biodiversity?
a)
It can lead to loss of biodiversity.
b)
It will lead to new species taking over all of the habitats.
c)
It will lead to climate change.
d)
It will cause the animals to get sick.
5.
Pollution damages ecosystems and decreases biodiversity by doing what?
a)
Causing genetic diversity
b)
Causing species diversity
c)
Releasing harmful substances
6.
An event in which a large percentage of all living species become extinct in a relatively short period of time.
a)
Habitat fragmentation
b)
Mass extinction
c)
Overexploitation
d)
Background extinction
7.
Define habitat fragmentation.
a)
The excessive use of a species that has economic value.
b)
All species dying in one area
c)
The different environmental conditions that occur along the boundaries of an ecosystem.
d)
The separation of an ecosystem into small areas.
8.
The excessive use of a species that has economic value
a)
Overexploitation
b)
Habitat fragmentation
c)
Habitat loss
d)
Evolving species
9.
Any material or organism in the biosphere including water, soil, fuel and plants and animals.
a)
bioremediation
b)
Introduced species
c)
Endemic
d)
Natural resource
10.
Adding natural predators to a degraded ecosystem is called what???
a)
Bioremediation
b)
Biological augmentation
c)
Endemic
d)
Sustainable use
11.
Another form of pollution that destroys underwater habitats for fish and other species.
a)
Eutrophication
b)
Biological magnification
c)
Fragmentation
d)
Acid precipitation
12.
A declining population of one species can affect an entire what???
a)
Edge effect
b)
Habitat
c)
Ecosystem
d)
Community
13.
Renewable & Nonrenewable resources are two classes of what???
a)
Biodiversity
b)
Natural resources
c)
Habitat loss
d)
Fragmentation
14.
Which one is a nonrenewable resource.
a)
Solar energy
b)
Fossil fuel
c)
Plants
d)
Clean Water
15.
Geothermal
a)
Nonrenewable
b)
Renewable
16.
Nuclear is
a)
Nonrenewable
b)
Renewable
17.
What is sustainability?
a)
to maintain an ecological balance in our planet.
b)
no to use the natural resources
c)
the use of ocean resources only
d)
the use of scientific tecnology to save the planet
18.
Which of the following is NOT a potential source of sustainable energy?
a)
oil
b)
biomass
c)
wind
d)
sun
19.
What is bioremediation?
a)
The process of isolating and making copies of a DNA segment.
b)
Using living organisms to get rid of toxic waste.
c)
The process of cloning genes to transform bacterial cells.
20.
This is the extinction of a species one by one, not a sudden loss of many species
a)
background extinction
b)
mass extinction
c)
fragmentation
d)
biotic potential
21.
Forest clearing, farming, and road building are all examples of
a)
Biodiversity
b)
Population distribution
c)
Habitat loss
d)
Climate Change
22.
What is an invasive species?
a)
A native (naturally found) species which are added to an area.
b)
A non-native (not naturally found) species added to an area.
c)
A keystone species in an environment
d)
none of the above
23.
What is the variety of ecosystems that are present in the biosphere?
a)
species diversity
b)
genetic diversity
c)
ecosystem diversity
d)
biodiversity
24.
What is the variety of genes present?
a)
bidiversity
b)
species diversity
c)
extinction
d)
genetic diversity
25.
The number of different species and the abundance of each species in a biological community.
a)
genetic diversity
b)
ecosystem diversity
c)
extinction
d)
species diversity
26.
The use of living natural organisms to detoxify a polluted area?
a)
Biological Augmentation
b)
Introduced Species
c)
Bioremediation
27.
the breaking of habitats into smaller pieces is called...
a)
habitat division
b)
habitat pollution
c)
habitat corruption
d)
habitat fragmentation
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