WorksheetsBiodiversity
Total questions: 21
Worksheet time: 14mins
Name
Class
Date
1.
The illegal capture or killing of an organism, often for money, is called...
a)
poaching
b)
harvesting
c)
fragementation
d)
extinction
2.
In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?
a)
There would be an overpopulation of arctic hares and lemmings.
b)
Polar bears would move to a new ecosystem
c)
The ecosystem would collapse because it lost its main producer
d)
Wildflowers would die out from the ecosystem
3.
The most sustainable ecosystem would ...
a)
have low biodiversity
b)
have high biodiversity
c)
not experience change
d)
have no predators
4.
The reasons for deforestation in the Amazon Rain forest include "overpopulation."
a)
false
b)
True
5.
Which biome is the least biodiverse?
a)
Grasslands
b)
Taiga
c)
Tundra
d)
Rainforest
6.
Why is biodiversity important in fighting disease in food crops?
a)
It prevents one disease from wiping out an entire food crop.
b)
It prevents habitat loss of native species.
c)
It provides different foods for different populations.
d)
It prevents fungal disease from wiping out corn crops.
7.
Why is biodiversity so important?
a)
Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
b)
Because it’s better to have only one variation of each species.
c)
Because it better to only have a few species on Earth.
d)
Honestly, I have no idea what biodiversity is!
8.
How can humans best help an endangered species avoid extinction?
a)
they can feed the animals
b)
they can put the animals in a zoo
c)
they can protect the animal’s habitat
d)
they can take the animal to new habitats
9.
What is an organism's niche?
a)
an organisms role in an environment
b)
where an organism lives
c)
something that itches
d)
a predator that is mean
10.
a species that influences the survival of many other species is known as a...
a)
threatened species
b)
endangered species
c)
keystone species
d)
fossil
11.
a species that may become extinct in the near future is called ...
a)
keystone species
b)
endangered species
c)
threatened species
d)
mutant
12.
A species that could become endangered in the near future is called...
a)
keystone species
b)
endangered species
c)
threatened species
13.
the breaking of habitats into smaller pieces is called...
a)
habitat division
b)
habitat pollution
c)
habitat corruption
d)
habitat fragmentation
14.
The eastern long-beaked echidna, shown here, is an egg-laying mammal found only in New Guinea. Which of the following terms describes an organism such as the echidna that is found in one place and nowhere else in the world?
a)
endemic
b)
threatened
c)
endangered
d)
conserved
15.
The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and the Convention on Biological Diversity are examples of
a)
organizations that promote poaching.
b)
polls measuring American opinion about biodiversity.
c)
treaties to protect biodiversity.
d)
laws to increase the number of species
16.
Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity is called a
a)
debt-for-nature swap
b)
conservation concessions
c)
Species Survival Plans
d)
Wildlife corridors
17.
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
18.
What factor does NOT affect biodiversity?
a)
Urbanization
b)
Planting Native Plants
c)
Overfishing
d)
Pollution
19.
an organism that has been introduced into an ecosystem and creates competition for resources with the organisms that live there
a)
native species
b)
succession
c)
invasive species
d)
evolution
20.
Name this invasive species.
a)
Oyster
b)
Zebra mussel
c)
Quagga mussel
d)
Clam
21.
Which of the following is NOT a way to help protect biodiversity?
a)
Endangered Species Act
b)
Promote Habitat Protection
c)
Eliminate all hunting and predators that could endanger a species.
d)
Create sanctuaries for endangered species
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