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WorksheetsBiodiversity - Chap. 10
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
Which of the following is NOT a type of biodiversity?
a)
species diversity
b)
genetic diversity
c)
individual diversity
d)
ecosystem diversity
2.
Globally, the leading cause of biodiversity loss is
a)
invasive species
b)
poaching and overharvesting
c)
pollution
d)
habitat change and loss
3.
The illegal capture or killing of an organism, often for money, is called...
a)
poaching
b)
harvesting
c)
fragementation
d)
extinction
4.
Which of the following forbids the U.S. government and its citizens from harming endangered or threatened species and their habitats?
a)
the Environmental Protection Agency
b)
Species Survival Plan
c)
the Endangered Species Act
d)
The Convention on International Trade in Endangered Species
5.
Species that could become endangered in the near future are called
a)
unlucky
b)
extinct
c)
endangered
d)
threatened
6.
Scientists think people have directly caused the extinction of some species through ______________.
a)
habitat destruction
b)
poaching
c)
pollution
d)
All of these
7.
The sea otter is a(n) ___________ that influences the survival of many other species in its ecosystem.
a)
Cute furry creature
b)
endangered species
c)
keystone species
d)
important animal
8.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline
9.
Which of the following is an example of a biotic component of the environment?
a)
wind
b)
vegetation
c)
water
d)
temperature
10.
Which level of biodiversity includes the available habitat in an area?
a)
Species diversity
b)
Genetic diversity
c)
Ecosystem diversity
d)
All of these
11.
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
12.
A species that is NOT native to a particular region is called
a)
natural
b)
invasive
c)
endemic
d)
extraordinary
13.
Which of the following describes a species that will soon be gone if nothing is done?
a)
threatened
b)
invasive
c)
endangered
d)
extinct
14.
You are a conservation biologist and have been assigned the task of conserving an endangered species. Based on your knowledge, which of the following steps would be your first priority in protecting the species?
a)
Reduce pollution in the area
b)
Captive breeding
c)
Conserve the species’ habitat
d)
Introduce a species to eat the predators of the endangered species
15.
The primary piece of federal legislation that is designed to protect species from going extinct in the United States
a)
Migratory Bird Act
b)
International Species Act
c)
Clean Water Act
d)
Endangered Species Act
16.
Exotic or invasive species leads to all of these problems except
a)
increased biodiversity
b)
loss of biodiversity
c)
disease
d)
loss of native species
17.
Which of the following is NOT a benefit of greater biodiversity?
a)
water pollution
b)
crop protection
c)
better ecosystem health
d)
ecotourism
18.
Where are many biodiversity hotspots located?
a)
deserts
b)
tropical rain forests
c)
polar ice regions
d)
rocks
19.
Threatened species are at the highest risk of extinction.
a)
true
b)
false
20.
The process of breeding and raising organisms in controlled conditions is called cloning.
a)
true
b)
false
21.
True or False: Biodiversity tends to decrease nearer the equator.
a)
true
b)
false
22.
Some conservation biologists focus on areas where the greatest number of unique species can be protected with the least amount of effort. These areas are called...
a)
wildlife corridors
b)
habitat fragments
c)
biodiversity hotspots
d)
conservation concessions
23.
What types of organisms are more likely to become endangered?
a)
Those with large populations
b)
Those which breed rapidly
c)
Those with one food source
d)
Those which can easily adapt to a variety of habitats
24.
Which term refers to the capturing and reintroducing of an endangered species into the wild?
a)
legal protection
b)
captive breeding
c)
habitat conservation
d)
germ-plasm banks
25.
What does this picture represent?
a)
species diversity
b)
ecosystem diversity
c)
genetic diversity
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