WorksheetsBiology 6.3 - Biodiversity
Total questions: 20
Worksheet time: 12mins
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.
Species that could become endangered in the near future are called
a)
unlucky
b)
extinct
c)
endangered
d)
threatened
5.
Scientists think people have directly caused the extinction of some species through ______________.
a)
habitat destruction
b)
poaching
c)
pollution
d)
All of these
6.
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
7.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline
8.
Which of the following is an example of a biotic component of the environment?
a)
wind
b)
vegetation
c)
water
d)
temperature
9.
Which level of biodiversity includes the available habitat in an area?
a)
Species diversity
b)
Genetic diversity
c)
Ecosystem diversity
d)
All of these
10.
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
11.
A species that is NOT native to a particular region is called
a)
natural
b)
invasive
c)
endemic
d)
extraordinary
12.
Which of the following describes a species that will soon be gone if nothing is done?
a)
threatened
b)
invasive
c)
endangered
d)
extinct
13.
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
14.
Where are many biodiversity hotspots located?
a)
deserts
b)
tropical rain forests
c)
polar ice regions
d)
rocks
15.
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
16.
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
17.
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
18.
What does this picture represent?
a)
species diversity
b)
ecosystem diversity
c)
genetic diversity
19.
What is THE most major cause of extinction today?
a)
habitat destruction by humans
b)
poaching
c)
disease
d)
hunting
20.
When land development divides a habitat into isolated "islands" of the original area, the result is called . . .
a)
habitat fragmentation
b)
deforestation
c)
desertification
d)
bioaccumulation
100 %
