WorksheetsBiodiversity Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is THE most major cause of extinction today?
a)
habitat destruction by humans
b)
poaching
c)
disease
d)
hunting
2.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline
3.
Most of the species on Earth are
a)
plants
b)
animals
c)
fungi
d)
insects
4.
Which of the following is an example of a biotic component of the environment?
a)
wind
b)
vegetation
c)
water
d)
temperature
5.
Which level of biodiversity includes
the available habitat in an area?
a)
Species diversity
b)
Genetic diversity
c)
Ecosystem diversity
d)
All of these
6.
The last great mass extinction
(the one that marked the end of dinosaurs) occurred
a)
6500 years ago
b)
65,000 years ago
c)
650,000 years ago
d)
65,000,000 years ago
7.
Some species are so important to the functioning
of an ecosystem that they are called
a)
keystone species
b)
cornerstone species
c)
essential species
d)
exotic species
8.
Madagascar is the only home to which primate species?
a)
gorillas
b)
chimpanzees
c)
lemurs
d)
gibbons
9.
A species that is NOT native to a particular region is called
a)
natural
b)
exotic
c)
endemic
d)
extraordinary
10.
Which of the following describes a species that
will soon be gone if nothing is done?
a)
threatened
b)
invasive
c)
endangered
d)
extinct
11.
Hunting sea otters resulted in...
a)
an increase in biodiversity
b)
the extinction of sea urchins
c)
an increase in kelp population
d)
overpopulation of sea urchins
12.
Most of the original diverse prairie land is now
a)
marshes and wetlands.
b)
single crop farmland.
c)
protected and preserved in original condition.
d)
being restored under the E.S. Act.
13.
Which of these is NOT part of the Endangered Species Act?
a)
The USFWS must make a list of all endangered species.
b)
Before beginning any new development projects,
the government must do an environmental impact study.
c)
Once on the list, a species cannot be removed from the list.
d)
Species on the list may not be killed, caught, or disturbed.
14.
Biodiversity ________ are regions with
unusually large numbers of unique ________.
a)
hot spots ; species
b)
species ; hot spots
c)
biomes ; plants
d)
sanctuaries ; flora
15.
What is a term used for traveling with a purpose of seeing unique wildlife while being mindful of your
impact on the environment, and sometimes even participating in conservation efforts while on vacation?
a)
ecotourism
b)
endemic tourism
c)
envirovacation
d)
exotic exploration
16.
The human population is __________ by __________ people
every day, and they all use resources.
a)
decreasing ; 220
b)
decreasing ; 220,000
c)
increasing ; 220
d)
increasing ; 220,000
17.
Who is in charge of making a list of
all endangered or threatened species?
a)
the U.S. President
b)
USDA
c)
US Fish & Wildlife Service
d)
DCFS
18.
A place that stores seeds to preserve their genes for the future is called a/n...
a)
Botanical preserve
b)
Plant depository
c)
Seed bank
d)
Herbarium
19.
Why are frogs and other amphibians so sensitive to environmental change?
a)
They produce high numbers of offspring each breeding season.
b)
Chemicals easily pass through their skin, and they spend a lot of time in ponds & streams.
c)
They have a diverse diet.
d)
None of the above.
20.
Where on Earth are most extinctions currently occurring?
a)
deciduous forests
b)
tropical rain forest
c)
taiga
d)
tundra
100 %
