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Biology-Biodiversity

Total questions: 80

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

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

2.

Forest clearing, farming, and road building are all examples of

a)

Biodiversity

b)

Population distribution

c)

Habitat loss

d)

Climate Change

3.

All of the following describe habitat fragmentation, EXCEPT:

a)

Gaps form within a habitat

b)

Patches of suitable habitat are surrounded by unsuitable habitat

c)

Often a result of habitat loss

d)

Increases the number of species

4.

The greatest cause of biodiversity loss today is

a)

Pollution

b)

Habitat loss and change

c)

Climate Change

d)

Invasive species

5.

All of the following affect biodiversity only in certain locations and times, EXCEPT:

a)

Pollution

b)

Invasive Species

c)

Climate Change

d)

Overharvesting

6.

Any natural resource available in limited amounts or replaced extremely slowly by natural processes is called:

a)

Nonrenewable Resources

b)

Renewable Resources

c)

Endemic Resources

d)

Natural Resources

7.

Any resource replaced by natural processes more quickly than it is consumed is a:

a)

Nonrenewable Resource

b)

Renewable Resource

c)

Endemic Resource

d)

Natural Resource

8.

The use of a resource at a rate that can be replaced or recycled is called ____________ use.

a)

biological

b)

unsustainable

c)

sustainable

d)

medicinal

9.

An ENDEMIC species is only found in one specific geographic location.

a)

True

b)

False

10.

Biodiversity Hotspots are areas around the world where there are high levels of endemic species.

a)

True

b)

False

11.

Which of the following are examples of renewable resources... (multiple answers)

a)

Solar

b)

Clean air/Wind

c)

Oil

d)

Plants used for food

12.

Which of the following are examples of nonrenewable resources... (many answers)

a)

Fossil fuels (oil, natural gas)

b)

Minerals (radioactive material, etc)

c)

Solar

d)

Whole Forests

13.

Biodiversity is valuable to humans in that

a)

people buy and sell living things in the pet trade and for esthetic reasons.

b)

living things depend on people for food, clothing, energy, medicine, and shelter.

c)

people depend on other living things for food, clothing, energy, medicine, and shelter.

d)

we have been taught at the earliest age that diversity is a good word so we use it in all endeavours.

14.

'' The differences between living organisms within a species.''


This statement refers to which type of diversity?

a)

Genetic diversity

b)

Ecosystem diversity

c)

Interaction diversity

d)

Species diversity

15.

''Variety of species or richness in the number of species in an ecosystem throughout the entire biosphere.''


This statement refers to which type of diversity?

a)

Genetic diversity

b)

Ecosystem diversity

c)

Interaction diversity

d)

Species diversity

16.

''Variety of habitats, biotic communities & ecological process & tremendous diversity within ecosystem.''


This statement refers to which type of diversity?

a)

Genetic diversity

b)

Ecosystem diversity

c)

Interaction diversity

d)

Species diversity

17.
the variety of life in the world or in a particular habitat or ecosystem  is called?
a)
endangered species
b)
biology
c)
biodiversity
d)
natural selection
18.
1. What makes a species invasive?
a)
Moving to a new ecosystem and taking resources from natives 
b)
Not having papers
c)
Species that can't adapt
d)
Plants that take up too much space
19.
Invasive species have a negative impact on...
a)
the ecosystem
b)
the economy
c)
Both the ecosystem and the economy
d)
None of these
20.
Why do the populations of invasive species grow so quickly? 
a)
Invasive Species are native to an area. 
b)
Invasive species are prey to many animals.
c)
Invasive species have no predators.
d)
Invasive species keep the ecosystems in equilibrium.
21.
A species is defined as endangered when it
a)
suffers from damage to its habitat.
b)
suffers from disease or predation.
c)
when there are hazards to the continued life of the species.
d)
all of the above
22.

How does habitat fragmentation reduce genetic diversity in species?

a)

Habitat fragmentation makes nonnative species introduction possible.

b)

Habitat fragmentation opens migration routes.

c)

Habitat fragmentation isolates a large population into smaller groups.

d)

Habitat fragementation encourages open gene flow.

23.
The loss of a natural habitat is called?
a)
Habitat development
b)
biodiversity
c)
Pollution
d)
Habitat destruction
24.
The loss of habitat
a)
pollution
b)
poaching
c)
habitat fragmentation
d)
habitat destruction
25.
Biologists put extra effort into protecting these because they have many species living in them.
a)
Cities
b)
Biodiversity Hotspots
c)
Farms
d)
Conservation stations
26.
The excessive use of a species that has economic value.
a)
Biodiversity
b)
Natural resources
c)
Overexploitation
d)
population growth
27.
The species that plays the biggest role in the habitat is?
a)
Smaller species
b)
Larger species 
c)
Keystone Species
d)
Evolving species 
28.

The species that plays a critical role in maintaining the ecosystem structure is?

a)

Flagship species

b)

Umbrella species

c)

Keystone Species

d)

Leading species

29.

The declining population of one species can affect an entire

ecosystem.

a)

Overexploitation

b)

Habitat Loss

c)

Destruction of Habitat

d)

Disruption of Habitat

e)

Pollution

30.

Atmospheric chemical changes that threaten biodiversity

and global stability.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

31.

Ecological issue shown in the diagram.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

32.

Ecological issue shown in the diagram.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

33.

Ecological issue shown in the diagram.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

34.

Ecological issue shown in the diagram.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

35.

Sulfur and nitrogen compounds react with water and

other substances in the air to form sulfuric acid and

nitric acid.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

36.

Removes calcium, potassium, and other

nutrients from the soil, depriving plants of these nutrients.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

37.

In this phenomenon, the algae use up the oxygen supply during their rapid growth and after their deaths during the decaying process. Other organisms in the water suffocate.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

38.

Nonnative species that are either intentionally or

unintentionally transported to a new habitat.

a)

Biological Magnification

b)

Acid precipitation

c)

Eutrophication

d)

Invasive (introduced) species

e)

Pollution

39.

Resources that are replaced by natural processes faster than they are consumed.

a)

Sustainable use

b)

Natural Resources

c)

Renewable resources

d)

Non-renewable resources

40.

Using resources at a rate in which they can be replaced

or recycled while preserving the long-term environmental health of the biosphere.

a)

Sustainable use

b)

Natural Resources

c)

Renewable resources

d)

Non-renewable resources

41.

Resources that are found on Earth in limited amounts or those that are replaced by natural processes over extremely long periods of time.

a)

Sustainable use

b)

Natural Resources

c)

Renewable resources

d)

Non-renewable resources

42.

an ecological hotspot is

a)

an area where temperatures reach at least 120 degrees F

b)

an area of very high biodiversity

c)

an area where almost no species can be found

d)

a species that is only found in one part of the world

43.

a species that exist in one area and nowhere else in the world is called

a)

hot spot species

b)

epistatic species

c)

endemic species

d)

predation species

44.

two types of ecological disturbance are

a)

animals and plants

b)

abiotic and biotic

c)

natural and human-caused

d)

weather and climate

45.

What does the root "diversity" mean...

a)

toxic

b)

living

c)

variety

d)

nonliving

46.

What does the root "bio" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

47.

Which biome is more likely to survive a change in the environment?

a)

High (Rich) Biodiversity

b)

Low(Poor) Biodiversity

48.

Species that are clearly critical to the functioning of an ecosystem are known as

a)

biodiversity

b)

keystone species

c)

main species

d)

native species

49.

A species that is likely to become extinct if protective measures are not taken immediately is known as

a)

threatened species

b)

endemic species

c)

keystone species

d)

endangered species

50.

An exotic species is

a)

a species that is not native to a particular region

b)

a newly discovered species in a particular region

c)

a genetically modified species in a particular region

d)

a species that is native to a particular region

51.

a species that is not native to a particular region and has no natural predators and little competition

a)

consumer species

b)

producer species

c)

invasive species

d)

adapted species

52.

Which image shows MORE species evenness?

a)

Image A because the relative amount of each tree species is closer to being equal.

b)

Image B because the relative amount of each tree species is closer to being equal.

c)

There is not enough information to answer this question.

d)

Image A and Image B are BOTH more even because they have the same amount of tree species.

53.

Food Web B is an example of...

a)

Low biodiversity, if the producer dies then all of the food web will suffer.

b)

High biodiversity, if an organism is removed the food web will continue with no effect.

54.

Image "B" shows more biodiversity than image "A". Why?

a)

Because image "B" has less different species than "A"

b)

"A" has a greater number of the same species of plants, so this statement is wrong.

c)

Both images show the same biodiversity.

d)

Because "B" shows more different species than image "A"

55.

The genetic variation within all populations of a species

a)

biodiversity

b)

species diversity

c)

genetic diversity

d)

ecological diversity

56.

The abundance and richness of a species of organisms

a)

biodiversity

b)

species diversity

c)

genetic diversity

d)

ecological diversity

57.

Which of the following is an importance of biodiversity?

a)

Allows ecosystems to adjust to disturbances

b)

Provides a variety of food sources for organisms

c)

Helps organisms adjust to changes in their environment

d)

All of the above

58.

Which of the following is a major cause of habitat fragmentation?

a)

Invasive Species

b)

Pollution

c)

Climate Change

d)

Urban Development

59.

What term describes the variety of ecosystems within a given region?

a)

Interaction diversity

b)

Species diversity

c)

Genetic diversity

d)

Ecosystem diversity

60.

Which of the following is NOT a characteristic of a biodiversity hotspot?

a)

High levels of endemic species

b)

Significant habitat loss

c)

Low species richness

d)

Threatened ecosystems

61.

a species that is not native to a particular region

a)

endemic

b)

exotic

c)

endangered

d)

extinct

62.

species that are native to and found only within a limited area

a)

endemic

b)

exotic

c)

endangered

d)

extinct

63.

a species at risk, but not yet endangered

a)

endangered

b)

exotic

c)

endemic

d)

threatened

64.

a species at risk, but not yet endangered

a)

endangered

b)

exotic

c)

endemic

d)

threatened

65.

Which of the following would be most effective in slowing the loss of biodiversity?

a)

creating large parks/preserves in biodiversity hotspots

b)

requiring every country to maintain a seed bank

66.

What is an example of a human disturbance?

a)

Deforestation

b)

Drought

c)

Tsunami

d)

Changing Seasons

67.

Which of these is NOT true about the Endangered Species Act

a)

It protects all plants and animals on the endangered species list

b)

It is a law that must be obeyed around the world.

c)

Anyone who harms species covered by this act can receiver a fine ($)

d)

It is enforces by US Fish & Wildlife Service

68.

DDT is a pesticide that drastically affected which species?

a)

Brown Pelicans

b)

Lions

c)

African Elephants

d)

Tuna

69.

Why is biodiversity in an ecosystem so important?

a)

Because it can help humans where to determine good places to develop farm land.

b)

Because places that have a healthy biodiversity are unaffected by major disturbances.

c)

Because having a high biodiversity allows ecosystems to withstand major changes.

d)

Because having a high biodiversity allows for fewer opportunities of competition for similar resources.

70.

Which habitat exhibits the greatest biodiversity? Species Richness? Species Evenness?

a)

A habitat with 15 different species with about 300 individuals each

b)

A habitat with 10 different species with about 75 individuals each

c)

A habitat with 4 different species with about 150 individuals each

d)

A habitat with only one species with about 2000 individual

71.

How does maintaining biodiversity have a direct economic value to humans?

a)
Maintaining biodiversity leads to higher costs in tourism and recreation.
b)
Biodiversity provides essential ecosystem services that support agriculture, fisheries, and tourism, contributing to economic value.
c)
Biodiversity decreases agricultural productivity and economic growth.
d)
Biodiversity has no impact on fisheries or food supply.
72.

What is the difference between direct and indirect economic value of biodiversity?

a)
Direct economic value includes only aesthetic benefits.
b)
Direct economic value is tangible benefits from biodiversity, while indirect economic value includes ecosystem services that support life and economy.
c)
Indirect economic value refers to the physical products from biodiversity.
d)
Direct economic value is only about tourism benefits.
73.

How does biodiversity relate to future medical needs for the human population?

a)
Biodiversity has no impact on medical advancements.
b)
Biodiversity is essential for discovering new medicines and supporting ecosystem services vital for human health.
c)
Increased biodiversity leads to more diseases.
d)
Biodiversity is only important for agriculture, not medicine.
74.

Select all the causes of loss of biodiversity

a)

Deforestation and overfishing

b)

Eutrophication

c)

Biomagnification

d)

Global Warming

e)

Coral bleaching

75.

All of the following are causes for biodiversity loss, EXCEPT:

a)

Habitat Loss

b)

Invasive Species

c)

Replanting trees

d)

Pollution

76.

How can the introduction of an invasive species lead to habitat loss?

a)

By enhancing the ecosystem's resilience to natural disasters

b)

By increasing biodiversity through the addition of new species

c)

By outcompeting native species for resources and space

d)

By promoting genetic diversity among native species

77.

Which of the following activities directly contributes to habitat loss?

a)

Recycling

b)

Deforestation

c)

Conservation efforts

d)

Scientific research

78.

What is the major cause of biodiversity loss, or losing many different types of species in an area?

a)

Overexploitation and poaching

b)

All of these

c)

Habitat loss

d)

Invasive species

79.

Which of the following is a primary cause of habitat loss?

a)

Clear cutting forests

b)

Climate change

c)

Urbanization

d)

All of the above

80.

How can biodiversity contribute to climate change mitigation?

a)

By increasing carbon emissions

b)

By reducing the number of plant species

c)

By enhancing carbon sequestration

d)

By promoting deforestation

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