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BIODIVERSITY

Total questions: 130

Worksheet time: 2hrs 48mins

Name
Class
Date
1.

What does the root "bio" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

2.

What does the root "diversity" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

3.

(a)   is the variety of living things in the world.

4.

How do biodiversity and stability work together?

a)

The lower the biodiversity the greater the stability of an ecosystem.

b)

The higher the biodiversity, the less stable the ecosystem

c)

The higher the biodiversity, the greater the stability of the ecosystem.

d)

Biodiversity has nothing to do with ecosystem stability.

5.
High biodiversity is 
a)
having a lot of the same organism.
b)
having a few of the same organism.
c)
having a lot of variety of different organisms.
d)
only having one of each organism. 
6.

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

a)

One with High biodiversity

b)

One with Low biodiversity

7.

Which shows more biodiversity Image A or Image B. Why?

a)

Image B is more biodiverse, because shows more different species than image A.

b)

Image A is more biodiverse, because shows a greater number of organisms that image B

c)

Both images show the same biodiversity

8.

In this food web example you can see that rain forests have many producers consumer and predators. How would you describe the rain forest biome?

a)

It has high biodiversity

b)

It has low biodiversity.

9.
Which habitat exhibits the greatest biodiversity?
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
10.

Define genetic diversity

a)

a variety of genes and traits within a species

b)

a variety of ecosystems in a given area

c)

system made up of all the living and nonliving things in a given area

d)

a variety of species in an ecosystem

11.

Which statement best describes an example of high biodiversity?

a)

A pond ecosystem is populated by a single species of frogs

b)

A state park that includes multiple forest and freshwater ecosystems with many different species of fish, birds and frogs in a variety of colors

c)

A desert ecosystem is populated by organ pipe cacti, camels, and armadillo lizards

12.

The level of biodiversity that involves a variety of habitats is _____ diversity.

a)

ecosystem

b)

population

c)

genetic

d)

species

13.

Why is biodiversity important to ecosystems?

a)

It helps populations adapt to ecological changes.

b)

It increases at each level of the food chain.

14.

Which ecosystem below has the HIGHEST biodiversity?

a)
b)
c)
15.

What are the 3 types of biodiversity (SELECT 3)

a)

Genetic

b)

Species

c)

Ecosystem

d)

Size

e)

Biotic

16.

The more different types of organisms and the more relationships that can occur between organisms the greater the...

a)

Species Diversity

b)

Genetic Diversity

c)

Ecosystem Diversity

17.

Greater ____________________ means there are more habitats to support different types of organisms.

a)

Ecosystem Diversity

b)

Species Diversity

c)

Genetic Diversity

18.

Things of value that ecosystems provide for free are called ___________________.

a)

ecosystem services

b)

ecosystem diversity

c)

food services

d)

species diversity

19.

The greater the ____________________, the more likely a species is to survive changes to their environment

a)

Genetic Diversity

b)

Species Diversity

c)

Ecosystem Diversity

20.

Define species diversity

a)

a variety of genes and traits within a species

b)

a variety of ecosystems in a given area

c)

system made up of all the living and nonliving things in a given area

d)

a variety of species in an ecosystem

21.

Biodiversity, aka biological diversity, usually refers to

a)

the same species in a general location

b)

the number of different species in a given area

c)

the number of animal species in a given area

d)

the number of plant species in a given area

22.

A population is

a)

a group of similar species in different areas

b)

a group of the same species in the same geographic area.

c)

a group of several species in the same geographic area

d)

a group of several species along with their abiotic factors in a small area.

23.
Which of the following will increase the size of a population?
a)
emigration and births
b)
immigration and deaths
c)
immigration and births
d)
emigration and deaths
24.
Which of the following is a density-dependent limiting factor?
a)
human activities 
b)
unusual weather
c)
competition
d)
natural disaster
25.
Which of the following is a density-independent limiting factor?
a)
natural disaster
b)
predation
c)
disease
d)
parasitism
26.
Diseases may spread more rapidly when an area is crowded, so disease is considered to be a
a)
type I survivorship curve
b)
population crasher
c)
density-dependent limiting factor
d)
population enhancer
27.
What type of growth is shown on this graph?
a)
logistic
b)
exponential
c)
average
d)
density-independent
28.
What type of population growth is shown in the graph?  
a)
logistic growth
b)
logical growth
c)
exponential growth
d)
density-dependent growth
29.
What 2 factors decrease population size?
a)
Immigration, Births
b)
Emigration, Births
c)
Emigration, Deaths
d)
Immigration, Deaths
30.
 What is the name for this leveling off shown in the graph?
a)
logistic line
b)
carrying capacity
c)
climax point
d)
mediocre
31.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
32.

When a population has reached carrying capacity

a)

Births & Immigration are equal to Death & emigration

b)

Births & Immigration are less than Death & emigration

c)

Births & Immigration are greater than Death & emigration

d)

Births are exponential

33.

Estimate the carrying capacity.

a)

100 deer

b)

80 deer

c)

60 deer

d)

40 deer

34.

What does the term carrying capacity describe?

a)

The maximum number of birth rates for a population.

b)

The ability of a population to accept new immigrants.

c)

The ratio of birth rates to death rates in a population.

d)

The population size that the environment can sustain.

35.

Identify which image below is showing a population:

a)
b)
c)
d)
36.

The lionfish is a venomous fish found primarily in the Red Sea and the Indian Ocean. In the 1990s, lionfish were accidentally released into the Atlantic Ocean, where they found abundant resources and favorable environmental conditions. Which of the following scenarios is most likely to result in the lionfish having a major impact on the communities into which they were introduced?

a)

With no natural predators, the lionfish population will become very large.

b)

Some native species of invertebrates will develop a resistance to lionfish venom.

c)

Random mating will allow the lionfish population to reach Hardy-Weinberg equilibrium.

d)

A virus that specifically infects lionfish will become more prevalent.

37.

There is strong evidence that two species of

cliff-dwelling birds have nested in the same

environment and fed in the same water for

thousands of years, with each having stable

population sizes. Based on this information,

which of the following statements is the best

conclusion?

a)

The two birds compete for food.

b)

One species will displace the other.

c)

The two birds have different ecological niches that allow coexistence.

d)

One species eats a more diverse diet than the other does.

38.

An organisms population growth is shaped by its reproductive pattern. Which combination of traits characterizes a rapid life history pattern (r-species)?

a)

short life span, produces many offspring, small body size

b)

short life span, live in more stable environments, small body size

c)

long life span, produces many offspring, grows into adults slowly

d)

long life span, large body size, grows into adults slowly

39.
This population would be characterized as which kind of species?
a)
r-selected
b)
S-selected
c)
K-selected
d)
C-selected
40.

What factor describes when populations decrease because animals are moving out of a population?

a)

Emigration

b)

Limiting Factors

c)

Immigration

d)

Exponential Growth

41.

High biodiversity removes the predators and parasites in the ecosystem and makes it safer.

a)

True

b)

False

42.

High biodiversity ensures that organisms from different species are able to mate and create new species.

a)

True

b)

False

43.

High biodiversity in an ecosystem makes it less likely that an individual animal or a plant will get a disease.

a)

True

b)

False

44.

High biodiversity helps an organism change its body so it can adapt and survive in the environment.

a)

True

b)

False

45.

High biodiversity makes the food web more complex and better able to support the most species, even if some populations decrease.

a)

True

b)

False

46.

High biodiversity ensures that many different ecological niches (jobs, roles) are filled, which helps the ecosystem function well.

a)

True

b)

False

47.

High biodiversity makes it more likely that the ecosystem will be able to keep functioning after a disturbance, such as disease or natural disaster.

a)

True

b)

False

48.

High biodiversity makes an ecosystem more sustainable because the food web is stronger and organisms perform a wider variety of functions.

a)

True

b)

False

49.

A stable ecosystem typically has high biodiversity.

a)

True

b)

False

50.

High biodiversity is a sign of a healthy ecosystem.

a)

True

b)

False

51.
What is the difference between biotic and abiotic?
a)
Biotic are non-living things
b)
Abiotic are living organisms
c)
Biotic is life,
Abiotic is non-living
d)
Biotic is non-living, Abiotic is living
52.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
53.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
54.
What gas from the list below is a cause for global warming?
a)
Urethane
b)
Oxygen
c)
Carbon Dioxide
55.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
56.
 Which of the following activities contributes the most to carbon emissions globally?
a)
Deforestation
b)
Agriculture
c)
Burning fossil fuels
d)
Respiration
57.
Melting of glaciers and polar ice caps....
a)
will result in cooler temperatures in the Arctic
b)
will result in sea-levels rising
c)
Will have no effect on ecosystems
d)
None of the above
58.
Food, water, sunlight, shelter, and space are resources that are often __________.
a)
limiting factors
b)
wet
c)
messy
d)
found in rocks
59.
If there is more food than usual in an ecosystem, then the population will mostly likely...
a)
stay the same
b)
decrease
c)
increase
60.
Any thing or organism that regulates the size of a population of another organism is known as __________.
a)
a limiting measure
b)
a limiting factor
c)
factorization
d)
materialization of precipitation
61.
What happened to the wolf population between 1980 and 1982?
a)
it increased rapidly
b)
it decreased rapidly
62.

Which biome is more biodiverse?

a)

Desert

b)

Grassland

c)

Tundra

d)

Rainforest

63.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
64.

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

a)

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

b)

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

c)

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

d)

Both images show the same biodiversity

65.

Food Web B is an example of...

a)

Low biodiversity and low sustainability. If the producer dies then all the food web will suffer.

b)

High biodiversity and high sustainability. If an organism is removed the food web will continue with no effect.

66.

Biodiversity is important to keep an area (biome) healthy. In this example "Food Web A" is sustainable. Why is sustainability important for an ecosystem in "Food Web A".

a)

If one organism is removed the food web can still operate (work) with little or no negative effect.

b)

If an organism is removed the food web will collapse and will affect the environment.

67.
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.
68.
Which habitat exhibits the greatest biodiversity?
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
69.
Currently sharks are on a rapid decline due to overfishing. If sharks go extinct will this affect the biodiversity of the ocean?
a)
No, sharks are not important.
b)
No, sharks will only affect the seal populations.
c)
Yes, it will disrupt the entire food chain in the ocean.
d)
Yes, but only a little.
70.
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!
71.

High biodiversity makes it more likely that the ecosystem will be able to keep functioning after a disturbance, such as disease or natural disaster.

a)

True

b)

False

72.

High biodiversity is a sign of a healthy ecosystem.

a)

True

b)

False

73.
A small marine area has phytoplankton as its only producer.  Should the marine biologist be concerned about this ecosystem?
a)
No the fish do not need the phytoplanton. Since there are so many fish, there is high biodiversity.
b)
Yes, this ecosystem has low biodiversity.  Without a producer the herbivores will die out leaving no food.
c)
Yes, this system has high biodiversity; however the fish can adapt and get food from another source.
d)
Yes, the fish will overate to get all of the phytoplankton that is left, then they will die.
74.
A small marine area has phytoplankton as its only producer.  Should the marine biologist be concerned about this ecosystem?
a)
No the fish do not need the phytoplanton. Since there are so many fish, there is high biodiversity.
b)
Yes, this ecosystem has low biodiversity.  Without a producer the herbivores will die out leaving no food.
c)
Yes, this system has high biodiversity; however the fish can adapt and get food from another source.
d)
Yes, the fish will overate to get all of the phytoplankton that is left, then they will die.
75.

Define biodiversity

a)

variety of life in Earth's land, freshwater, and marine ecosystems

b)

variety of ecosystems in a given area

c)

the number of different species in a given area and the number of individuals of each species that are present

d)

the variation of genes within a species or population in a given area

76.

Define genetic diversity

a)

variation of genes within a species or population in a given area

b)

variety of ecosystems in a given area

c)

system made up of all the living and nonliving things in a given area

d)

disturbance in the environment conditions that cause genetic changes to occur in organisms

77.

Define species diversity

a)

both the number of different species and individuals of each species in a given area

b)

variation of genes within a species or population in a given area

c)

variety of ecosystems that are in a given area

d)

changes in an ecosystem that affect of the organisms interact with one another

78.

Define ecosystem stability

a)

a healthy ecosystem with factors that stay mostly stable

b)

a healthy ecosystem with factors that fluctuate between great and terrible

c)

an unhealthy ecosystem with factors that stay mostly stable

d)

an unhealthy ecosystem with factors that fluctuate between great and terrible

79.

Which statement best describes an example of low species diversity?

a)

A population of frogs has a wide variety of skin colors

b)

A marsh ecosystem is covered by a single species of cattail bulrushes

c)

A state park includes multiple forest, wetland, and freshwater ecosystems

80.

Which statement best describes an example of high species diversity?

a)

A pond ecosystem is populated by a single species of frogs

b)

A state park includes multiple forest and freshwater ecosystems with many different species of fish, frogs, and birds

c)

A desert ecosystem is populated only by organ pipe cacti, camels, and armadillo lizards

81.

Define mutualism

a)

symbiotic relationship where both organisms benefit from interaction

b)

symbiotic relationship where one organism benefits and the other is harmed from interaction

c)

symbiotic relationship where one organism benefits and the other is neither harmed nor benefited

82.

Define commensalism

a)

symbiotic relationship where one organism benefits and the other is neither harmed nor benefited

b)

symbiotic relationship where both organisms benefit from interaction

c)

symbiotic relationship where one organism benefits and one organism is harmed

83.

Define parasitism

a)

symbiotic relationship where one organism is harmed and one is benefited

b)

symbiotic relationship where both organisms benefit from interaction

c)

symbiotic relationship where one organism benefits and one organism is harmed

84.

Define competition

a)

symbiotic relationship where both organisms benefit from interaction

b)

when two or more individuals or populations try to use the same limited resources

c)

variation of genes within an ecosystem in a given area

d)

variety of life among Earth's land, freshwater, and marine ecosystems

85.

What two groups often exhibit ecological competition?

a)

individuals and populations

b)

populations and communities

c)

communities and ecosystems

d)

organisms and biospheres

86.

Competition between different populations may result in ______.

a)

fewer resources for some populations

b)

fewer resources for some ecosystems

c)

more resources for some populations

d)

more resources for some ecosystems

87.

What can biodiversity influence within an ecosystem?

a)

how well the ecosystem recovers from a disturbance

b)

how well the ecosystem grows after rain

c)

how poorly the ecosystem responds to a drought

88.

Which example represents a mutualism symbiotic relationship?

a)

alligator and plover bird

b)

flea and dog

c)

remora fish and shark

89.

Which example represents a commensalism symbiotic relationship?

a)

remora fish and shark

b)

flea and dog

c)

alligator and plover bird

90.

Which example represents a parasitic symbiotic relationship?

a)

flea and dog

b)

remora fish and shark

c)

alligator and plover bird

91.

What will and abundance of resources often result in for an ecosystem?

a)

growth of individuals and populations

b)

grown of biosphere

c)

decline of individuals and populations

d)

decline of biosphere

92.

Which represents an example of a limited abiotic resource?

a)

low oxygen levels in a pond that can affect fish populations

b)

fungi destroying fruit of a banana tree of which insects feed on

93.

Which represents an example of a limited biotic resource?

a)

low oxygen levels in a pond that can affect fish populations

b)

fungi destroying fruit of a banana tree of which insects feed on

94.

Biodiversity, aka biological diversity, usually refers to

a)

the same species in a general location

b)

the number of different species in a given area

c)

the number of animal species in a given area

d)

the number of plant species in a given area

95.

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

96.

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

97.

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

98.

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

99.

An endemic species is

a)

exotic and found everywhere

b)

exotic and found only in certain regions

c)

native and found only in a limited area

d)

native and found everywhere

100.

Succession that occurs in areas that previously didn't support life, such as on rocks or ice

a)

tangential succession

b)

primary succession

c)

secondary succession

d)

quaternary succession

101.

A population is

a)

a group of similar species in different areas

b)

a group of the same species in the same geographic area.

c)

a group of several species in the same geographic area

d)

a group of several species along with their abiotic factors in a small area.

102.

A community is

a)

Several different populations scattered across several states.

b)

Several different organisms in the same geographic area

c)

One type of organism in the same geographic area

d)

Several different populations in the same geographic area

103.
What is an invasive species?
a)
A native (naturally found) species which are added to an area. 
b)
A non-native (not naturally found) species added to an area. 
c)
A keystone species in an environment
d)
none of the above
104.

What is the variety of ecosystems that are present in the biosphere?

a)

species diversity

b)

genetic diversity

c)

ecosystem diversity

d)

biodiversity

105.
What is the variety of genes present?
a)
bidiversity
b)
species diversity
c)
extinction
d)
genetic diversity
106.
What is the variety of genes present?
a)
bidiversity
b)
species diversity
c)
extinction
d)
genetic diversity
107.
_______ happens when fertilizers, animal waste, sewage or other substances rich in nitrogen and phosphorus are lost into waterways causing excessive algae growth.
a)
Eutrophication
b)
Introduced species
c)
Biological Augmentation
d)
Nonrenewable Resource
108.
Species that are only found in a specific geographic area are _______.
a)
Introduced species
b)
Local species
c)
Endemic 
d)
Biodiversity hot spot
109.
The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called _____.
a)
biomagnification
b)
overexploitation
c)
edge effects
d)
natural resource
110.
The process shown here is called __.
a)
biomagnification
b)
eutrophication
c)
invasive species
d)
mass extinction
111.
When excess nutrients make their way into the waterways in runoff from lawns:
a)
fish populations increase
b)
algal blooms increase
c)
frog population increases
d)
people get more vitamins in their water
112.
Extinction rates are significantly __________ in recent decades than before.
a)
Lower
b)
Higher
113.
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
114.

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)

international organisation on climate change.

c)

international treaties to protect biodiversity.

d)

laws to increase the number of species

115.

Biologists put extra effort into protecting these because they contain ~60% of the world's species

a)

National parks

b)

Biodiversity Hotspots

c)

Tropical rainforests

d)

Conservation stations

116.

Programs that breed animals in captivity then release them to the wild are called...

a)

IUCN red list

b)

Captive conservation

c)

Captive Breeding Programs

d)

Catch and Release Programs

117.

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

118.

A place that stores seeds to preserve their genes for the future is called...

a)

Botanical preserve

b)

Plant depository

c)

Seed bank

d)

Herbarium

119.
Look at the diagram about two posible shapes of protected areas. Which one is better?
a)
A
b)
B
120.

A charismatic, often cute and cuddly flagship species may be used to promote human connection, but what are the disadvantages of such species?

a)

They can be made into cuddly toys for marketing

b)

Humans may be in conflict with them eg Tigers eat people

c)

They may become extinct and so the conservation work would stop

d)

They become popular within the public

e)

They take priority even if they are not important to the ecosystem

121.

Protecting areas to promote sustainable development for the good of future generations and the right of individuals or species to exist is its...

a)

Ecological value

b)

Economic value

c)

Aesthetic value

d)

Ethical value

122.

Which would be a violation of the CITES treaty?

a)

hunting wild turkeys

b)

polluting lakes

c)

selling tiger skins

d)

clearing rain forests

123.

How can the reintroduction of wolves into Yellowstone National Park change the path of the rivers?

a)

The wolves changed the behavior of the elk, so they no longer gathered in the valleys near the water, causing erosion. The river banks began to grow more vegetation, which stabilized their banks.

b)

The wolves dug big holes, causing the river to turn into a pond.

c)

The wolves tore through paths along the river causing erosion and making the river wider.

d)

The wolves had nothing to do with the path of the river.

124.
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
125.

What is a keystone species?

a)

A species that helps to hold an ecosystem together

b)

A species that lives in or around rocks

c)

Keys and stones have nothing to do with ecology

d)

A keystone isn't a living thing, it's just a stone

126.

What are examples of Flagship species? Select all that apply.

a)

Panda

b)

Tiger

c)

Python

d)

Polar Bear

127.

Who publishes the Red Data Book

a)

International Union for conservation of nature

b)

International Union for Nature Conservation

c)

International Union of Nature Conservation

128.

What was the act created by the government to protect flora and fauna ?

a)

Wildlife ( Protection) Act

b)

Wildlife Protection act

c)

Wildlife act

129.

a species at risk, but are not yet extinct , what is it called as ?

a)

endangered

b)

exotic

c)

endemic

d)

extinct

130.

The variety of life in the world or in a particular habitat or ecosystem

a)

biodiversity

b)

demography

c)

carrying capacity

d)

poaching

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