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Biodiversity and Resilience

Total questions: 145

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

the variety of species in an ecosystem is called

a)

biogeography

b)

biodiversity

c)

resilience

d)

resistance

2.

a species that is critical to the success of an ecosystem

a)

predator species

b)

parasitism

c)

carrying capacity

d)

keystone species

3.

the number of different types of species in an ecosystem

a)

richness

b)

evenness

c)

hot spot

d)

biodiversity

4.

the abundance of each species in an area is called

a)

richness

b)

evenness

c)

biodiversity

d)

random distribution

5.

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

6.

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

7.

two types of ecological disturbance are

a)

animals and plants

b)

abiotic and biotic

c)

natural and human-caused

d)

weather and climate

8.

the stability of an ecosystem depends on 2 factors

a)

natural and human-caused disturbances

b)

weather and climate

c)

ecosystem resilience and resistance

d)

independent and dependent variables

9.

the ability of an ecosystem to recover after a disturbance

a)

resistance

b)

resilience

c)

relocation

d)

rejuvination

10.

the ability of an ecosystem to remain stable throughout a disturbance is

a)

resistance

b)

resilience

c)

relocation

d)

rejuvenation

11.

True or False: higher richness and evenness allows for more resilience

a)

true

b)

false

12.

sequence of biotic changes that restore/rebuild a damaged community

a)

pioneer species

b)

succession

c)

richness

d)

evenness

13.

first time establishment and development of life in an area that previously had 0 species

a)

primary succession

b)

secondary succession

c)

finale succession

14.

the first species of an area that previously had 0 species

a)

fresh species

b)

resilient species

c)

keystone species

d)

pioneer species

15.

regrowth of species from the soil after a disturbance

a)

primary succession

b)

secondary succession

c)

finale succession

d)

keystone species

16.

biodiversity is measured by

a)

random quadrat sampling

b)

height of vegetation

c)

richness and evenness

d)

health of keystone species

17.

What does the term 'species richness' refer to in the context of biodiversity?

a)

The rate of species extinction

b)

The genetic diversity within a species

c)

The number of different species in an environment

d)

The complexity of ecological interactions

18.

Why is higher biodiversity important for ecosystem stability?

a)

It decreases energy flow in the ecosystem

b)

It increases competition among species

c)

It simplifies the food web

d)

It reduces the reliance on a single species

19.

What happens in an ecosystem when a whale dies and falls to the sea floor?

a)

It disrupts the marine food web

b)

It starts a new ecosystem known as a whale fall

c)

It causes immediate ecological collapse

d)

It has no significant impact on the ecosystem

20.

An ecological community can be defined as

a)

A living thing such as a plant or animal.

b)

A system comprising all the biotic and abiotic factors in an area and all the interactions among them

c)

All of the populations of different species in a particular area. All the populations in an ecosystem.

d)

A group of interacting organisms of the same species. A group of interbreeding organisms (species) living in the same area

21.

Choose all the correct examples of a community

(multiple correct answers)

a)

All the biotic factors living in a desert

b)

All of the different schools of fish living in a coral reef

c)

An interbreeding colony of rats

d)

All of the abiotic and biotic factors living in the icy tundra

22.

A niche is

a)

The place where an organism naturally lives and grows

b)

The ecological role played by an organism. This is an organism’s total way of life.

c)

Biotic or abiotic environmental factors that restrict the growth of a population

d)

How humans affect and interact with their surrounding environment

23.
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.
24.

The greenhouse effect is caused by

a)

more heat arriving at the Earth from the sun

b)

the Earth releasing more heat at night

c)

gases in the air trapping heat released by the Earth

25.

Organisms that do not decompose naturally can be buried and become what?

a)

oxygen

b)

nutrients

c)

calcium carbonates

d)

fossil fuels

26.

If the plant population decreased, the amount of carbon dioxide in the atmosphere would _________.

a)

Stay the same

b)

Increase

c)

Decrease

27.

If a forest fire occurs, what will happen to the carbon in the forest?

a)

It will go into the soil

b)

It will go into the atmosphere

c)

It will runoff into nearby streams and rivers

d)

It will be destroyed

28.

Check all the ways that carbon dioxide is ADDED to the atmosphere.

(multiple correct answers)

a)

Respiration

b)

Combustion

c)

Photosynthesis

d)

Diffusion

e)

Decomposition

29.

Which of the following examples best describes a disturbance that is likely to result in significant, long-lasting changes to an ecosystem?


a)

A frost in late spring kills some of the earliest budding plants and flowers in a field.

b)


Tens of thousands of geese rest for a week at a large lake during their annual migration.

c)

The failure of a 60-year-old beaver dam floods a downstream meadow.

30.

Which of the following statements best explains the relationship between ecosystem complexity and resilience?


a)

Resilience increases as complexity increases.

b)


Resilience decreases as complexity increases.

c)

Resilience is not affected by changes to ecosystem complexity.

31.

Draw Mr. DiLemme doing something cool.

32.

Biodiversity is influenced by factors like precipitation and soil quality because in most ecosystems overall biodiversity relies on a wide variety of...

a)

Plants and other Producers

b)

Apex Predators

c)

Greenhouse Gases

d)

Rocks & Dirt

33.

The two main benefits of biodiversity in most ecosystems is that it...

a)

increases stability and decreases resilience.

b)

decreases stability and increases resilience.

c)

increases both stability and resilience.

d)

decreases both stability and resilience.

34.

In general terms, the two most biodiverse biomes on Earth are...

a)

Rivers & Mountains

b)

Desert & Tundra

c)

Redwood Forests & Savanna

d)

Rainforests & Coral Reefs

35.

The current trend of global warming is primarily caused by...

a)

an increase of carbon dioxide and other greenhouse gases in the atmosphere.

b)

an increased rate of volcanic eruptions.

c)

expansion of rainforests and other large photosynthetic carbon sinks.

d)

the loss of endangered species in biodiversity hotspots.

36.

Which of the following is a direct consequence of polar ice caps melting due to global warming?

a)

Coral Bleaching

b)

Increased Wildfire Frequency & Severity

c)

Deforestation

d)

Rising Sea Levels

37.

Which of the following conditions in coral reef ecosystems leads to coral bleaching?

a)

Plastic Pollution

b)

Ocean warming & acidification

c)

Ocean cooling and ice cap melt

d)

Overharvesting critical fish species

38.

Which of the following is NOT a consequence of global warming and climate change?

a)

increased storm severity

b)

more frequent wars and conflicts over critical natural resources

c)

increased biodiversity

d)

coral bleaching

39.

Which of the following is NOT an anthropogenic (caused by humans) ecological disturbance?

a)

Deforestation

b)

Pollution

c)

Overharvesting

d)

Earthquakes

40.

Deforestation has an especially severe impact on ecosystem health when forests are replaced with...

a)

Monoculture

b)

Native Species

c)

Biodiversity Hotspots

d)

"No Take" Zones

41.

A new species introduced to an ecosystem can become invasive when...

a)

there are many predators present who will eat the introduced species.

b)

the specific adaptations of the introduced species allow it to outcompete native species.

c)

there are few food sources available for the introduced species.

d)

the introduced species is not well adapted to its original habitat.

42.

Which of the following solutions can help to reduce the ecological impact of habitat fragmentation?

a)

"No Take" Zones

b)

Conserving Species in Zoos & Aquariums

c)

Wildlife Corridors

d)

Recycling Plastics

43.

A drastic reduction in the biodiversity of an ecosystem can be observed after the removal of...

a)

Keystone Species

b)

Invasive Species

c)

Harvest Limitations

d)

Monoculture

44.

The process of ecological succession after a disturbance often begins with...

a)

tall trees to form a mature canopy.

b)

shrubs and other plants of intermediate height.

c)

native grasses and wildflowers.

d)

apex predators and large mammals.

45.

The process of "building soil" after a major ecological disturbance, such as a volcanic eruption, is known as...

a)

Secondary Succession

b)

Primary Succession

c)

Tertiary Succession

d)

Climax Community Formation

46.

The first species to live in an environment after a major ecological disturbance are known as...

a)

Pioneer Species

b)

Climax Community Species

c)

Intermediate Species

d)

Consumer Species

47.

Which ecological nutrient cycle relies on photosynthesis and respiration?

a)

Carbon Cycle

b)

Nitrogen Cycle

c)

Phosphorus Cycle

d)

Hydrologic Cycle

48.

Which ecological nutrient cycle relies on the slow erosion and build-up of rocks?

a)

Carbon Cycle

b)

Nitrogen Cycle

c)

Phosphorus Cycle

d)

Hydrologic Cycle

49.

Which ecological nutrient cycle relies heavily on bacteria to "fix" an important nutrient by converting it from atmospheric gas to a form that can be absorbed by plants?

a)

Carbon Cycle

b)

Nitrogen Cycle

c)

Phosphorus Cycle

d)

Hydrologic Cycle

50.

Of the three main nutrient cycles we studied in this unit, which two rely most heavily on decomposers?

a)

Carbon & Nitrogen

b)

Phosphorus & Carbon

c)

Nitrogen & Phosphorus

d)

Carbon & Hydrologic

51.

Based on the concept of biomagnification, which of the following organisms would likely contain the HIGHEST concentration of microplastics and other toxins?

a)

A small herbivore, such as a grasshopper

b)

A large herbivore, such as a cow

c)

An apex predator, such as a great white shark

d)

A secondary consumer, such as an anchovy

52.

Which of the following leads to a decrease in biodiversity?

a)

introduction of invasive species

b)

prevention of erosion

c)

ecological land use planning

d)

pollution control

53.

¨The type of species that offers the best opportunity to apply the prevention principle is the

a)

indicator species.

b)

endangered species.

c)

keystone species

d)

alien species.

54.

Illegal hunting for profit is called

a)

sport hunting.

b)

poaching.

c)

commercial hunting.

d)

subsistence hunting.

55.

Law of the 70's that protects endangered species in the U.S.

a)

Endangered Species Act

b)

CITES

c)

Lacey Act

d)

One Act Plays

56.

Fragmented habitat can be reconnected most directly by

a)

wildlife corridors

b)

captive breeding programs

c)

debt for nature swaps

d)

prescribed burns

57.
An endangered species is
a)
One whose numbers are so small that it is at risk of extinction
b)
One whose not been spotted after many years.
c)
One whose numbers are abundant.
58.

Presently, the biggest threat to biodiversity is;

a)

Asteriod strikes, such as what happened 65 million years ago and resulted in the extinction of the dinosaurs.

b)

Human population growth, because as population increases, so does the number of plants and animals it consumes, resulting in a decrease of those organisms.

c)

Habitat destruction, such as cutting down portions of tropical rain forest, which destroys the niches occupied by tropical organisms.

d)

The proliferation of zoos and botanical gardens, causing causing people to care less about preserving species in the wild because they are being cared for those in sanctuaries.

59.

Which of the following international treaties bans the hunting, capture, and sale of threatened or endangered species in 181 countries? CITES

a)

Endangered Species Act (ESA)

b)

The National Marine Fisheries Act

c)

The Convention on International Trade in Endangered Species (CITIES)

d)

National Enviornmental Policy Act (NEPA)

e)

The Marine Mammal Protection Act

60.

Areas that have been set aside for the protection of threatened or endangered species and their habitats are known as;

a)

National parks.

b)

National zoos

c)

National wildlife refuges.

d)

National recreation areas.

e)

National forest reserves.

61.

Choose the option that expresses the definition the best.

"Logging, mining, building of roads, and urban development."

a)

Habitat destruction,degradation, and fragmentation.

b)

Invasive (nonnative species).

c)

Population and resource use growth.

d)

Greenhouse effect.

e)

Overexplotation.

62.

Which is the newest part of HIPPCO?

a)

Climate change

b)

Population & Pollution

c)

Invasive Species

d)

Habitat Loss

e)

Overharvesting

63.

Which of the following is NOT an endangered species of Florida?

a)

West Indian Manatee.

b)

Gopher Tortoise

c)

Roseate Spoonbill

d)

Hawksbill Sea Turtle.

e)

Burmese Python

64.

Why do endangered species matter?

a)

Because they are cute

b)

Biodiversity

c)

Because if they die we cannot have them as pets

d)

Because they cannot be in the zoo

65.

The endangered black rhinos is hunted for what?

a)

its horns

b)

its eyes

c)

its meat

66.

In the 1970s, the United States introduced the _________________________ which calls for a recovery plan to be created for each endangered species.

a)

National Environmental Policy Act

b)

Resource Conservation and Recovery Act

c)

Clean Water Act

d)

Endangered Species Act

67.

What do you call hunting whales?

a)

Hunting

b)

Whaling

c)

Sailing

d)

Poaching

68.

Who was the founder of the Sierra Club?

a)

George Washington

b)

Mr. Mixson

c)

John Muir

d)

Dr. Pepperberg

69.

Which of the following is not linked to Endangered species?

a)

K-Strategist

b)

Specialized niche

c)

rare

d)

commercially valuable

e)

R-Strategist

70.

The "6th mass extinction" is Anthropogenic which means.

a)

cause by man

b)

cause by aliens

c)

caused by a meteor storm

d)

caused by a volcano

71.

Responsible for the determination of endangered species status and monitoring the level of endangerment.

a)

US. Fish and Wild Life Services

b)

Park Rangers

c)

DEA

d)

Coast Guard

72.

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

a)

keystone

b)

invasive

c)

engineer

d)

predator

73.

Why are bees considered a keystone species?

a)

The honey they make supports the bear population

b)

They pollinate flowers that produce fruit which supports the ecosystem

c)

They sting when threatened

d)

They live in hives

74.

Why are some sharks considered a keystone species?

a)

Because they are a top predator

b)

They scare off smaller fish that may overgraze an area of sea grass

c)

They are tertiary consumers

d)

They are cartilaginous

75.

Which one of the following keystone examples is a keystone predator found in the tidal pools of northwestern North America and was the species that launched Robert Paine’s keystone species concept?

a)

starfish

b)

sea otters

c)

beavers

d)

wolves

e)

elephants

76.

Which one of the following keystone examples play a vital role in the health of coastal kelp forests?

a)

starfish

b)

sea otters

c)

beavers

d)

wolves

e)

elephants

77.

A life form that is very sensitive to environmental changes in its ecosystem. They can give us early-warning messages that a habitat is suffering.

a)

Indicator Species

b)

Flagship Species

c)

Predators

d)

Ecosystem Engineers

78.
Based on the graph shown, how can you tell sea otters are a keystone species?
a)
as the sea otter population decreases, biodiversity increases
b)
as sea otter population increases, biodiversity increases
c)
changes in the sea otter population have little effect on biodiversity 
d)
the sea otter population dereases due to the presence of urchins
79.

What types of indicator species are found in water rich in oxygen?

a)

Stonefly larvae

b)

Fresh water shrimp

c)

Bloodworms

d)

Sludge worms

80.

What is an advantage of using indicator species as a method of determining pollution?

a)

Cheap

b)

Easy to do

c)

Does not require specialist equipment

d)

All of the above

81.

What is a disadvantage of using indicator species as a method of determining levels of pollution

a)

Requires specialist equipment

b)

Time consuming

c)

Difficult to do

d)

Does not tell us how much pollution there is

82.

An organism whose presence, absence or abundance reflects a specific environmental condition:

a)

keystone species

b)

exotic species

c)

indicator species

d)

native species

e)

endangered species

83.

Species that is NOT native to a specific location AND has a tendency to spread/damage the environment:

a)

native species

b)

invasive species

c)

endemic species

d)

exotic species

e)

extinct species

84.

Species that are crucial to the functioning of an ecosystem

a)

keystone species

b)

exotic species

c)

invasive species

d)

indicator species

e)

endangered species

85.

Native to a particular place and is ONLY found there.

a)

keystone species

b)

native species

c)

indicator species

d)

endemic species

e)

extinct species

86.

Identified as in danger of extinction.

a)

endemic species

b)

endangered species

c)

exotic species

d)

native species

e)

indicator species

87.

Species that no longer exists.

a)

invasive species

b)

native species

c)

keystone species

d)

endangered species

e)

extinct species

88.

Species that is NOT native to a particular region.

a)

exotic species

b)

endangered species

c)

native species

d)

endemic species

e)

indicator species

89.

Species that normally lives and thrives in a particular area.

a)

keystone species

b)

endangered species

c)

native species

d)

indicator species

e)

extinct species

90.

The variety of organisms in a given area is called:

a)

a species

b)

a gene

c)

abiotic factors

d)

biodiversity

91.

What are some benefits of biodiversity?

a)

Clean air and water

b)

food

c)

medicine

d)

All of these

92.

This biome has high biodiveristy (variety of different species):

a)

tropical rain forest

b)

desert

c)

tundra

d)

none of these

93.

Type of biodiversity that refers to all the differences between populations of species as well as between different species.

a)

ecosystem diversity

b)

genetic diversity

c)

species diversity

d)

none of these

94.

Type of biodiversity that refers to all the different genes contained within all members of a population:

a)

population diversity

b)

genetic diversity

c)

species diversity

d)

none of these

95.

Type of biodiversity that refers to the variety of habitats, communities, and ecological processes within and between ecosystems:

a)

ecosystem diversity

b)

species diversity

c)

genetic diversity

d)

none of these

96.

What portion of the world's crops rely on healthy pollinators?

a)

1/8

b)

1/4

c)

1/2

d)

1/3

97.
A species that is NOT native to a particular region is called
a)
natural
b)
invasive
c)
endemic
d)
extraordinary
98.
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
99.
When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?
a)
Non-native plants are able to mutate rapidly
b)
Non-native  plants cause native animals to relocate
c)
Non-native plants are able to be used for medicine
d)
Non-native plants compete with native plants for resources
100.
Kudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:
a)
Parasitism between kudzu and the native plants
b)
A predator prey relationship between ground plants and kudzu
c)
Competition occurring between the native and invasive species
d)
Commesalism occurring between the kudzo and native plants
101.
These were released in Australia to eat cane beetles, but now they are an invasive species and number in the millions.
a)
dingo
b)
Kangaroo
c)
Cane toad
d)
Rabbits
102.
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
103.
If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?
a)
Increase
b)
Decrease
c)
Stay the same
d)
No affect on smaller fish
104.
Which of the following is a key characteristic of most invasive species?
a)
Ability to breathe in the air & in the water
b)
Large, sharp teeth
c)
Produce many offspring
d)
Is a top predator
105.
What is a native species?
a)
A specie that is local and has lived in the same place
b)
A specie who has come from another state or country
c)
A specie that has no "home" and travels for its whole life
d)
None of the above
106.
Invasive species have a negative impact on...
a)
the ecosystem
b)
the economy
c)
Both the ecosystem and the economy
d)
None of these
107.
How did the zebra mussels end up in the Great Lakes?
a)
In ballast tanks of ships
b)
They were intentionally released
c)
They have always been in the Great Lakes
d)
That's not a zebra mussel
108.
What is the main cause for species invading?
a)
Air Pollution 
b)
Wanting to be adventerous
c)
Human Means 
d)
Themselves
109.
Which of the following is not a characteristic of invasive plants?
a)
Lots of seeds
b)
Effective seed dispersal methods
c)
Easily established
d)
Native species like to eat it 
110.
How do invasive plants damage the environment?
a)
Compete with native species
b)
Change plant community
c)
Alter diversity
d)
All of these
111.
Which of these animals is an introduced animal to Australia?
a)
Rabbit
b)
Kangaroo
c)
Koala
d)
Platypus
112.
Why can an invasive species be bad for an ecosystem?
a)
They can provide too much food for the other organisms.
b)
They can disrupt the natural ecosystem. 
c)
They can fight with other animals.
113.
Which type of species belongs in or came from a certain ecosystem?
a)
native (endemic) species
b)
alien species
c)
invasive species
114.
This category of species is very specific to one area: 
a)
invasive 
b)
indigenous
c)
endemic
d)
generalist 
115.
Endemic species can easily be introduced to another habitat and be successful
a)
false- they are too specialized
b)
true- they can live anywhere
116.
In Arizona, the crayfish is a(n)...
a)
native species
b)
invasive species
c)
endemic species 
d)
handsome species 
117.
In Arizona, the California Condor is a(n)...
a)
native species
b)
invasive species
c)
endemic species
d)
un-handsome species 
118.

number and variety of species within a given area

a)

biodiversity

b)

keystone species

c)

ecosystem diversity

d)

biotechnology

e)

biodiversity hotspots

119.

species critical to the functioning of an ecosystem

a)

biodiversity

b)

keystone species

c)

ecosystem diversity

d)

biotechnology

e)

biodiversity hotspots

120.

variety of habitats and communities within ecosystems

a)

biodiversity

b)

keystone species

c)

ecosystem diversity

d)

biotechnology

e)

biodiversity hotspots

121.

application of biological science to create new products

a)

biodiversity

b)

keystone species

c)

ecosystem diversity

d)

biotechnology

e)

biodiversity hotspots

122.

threatened areas of high biodiversity

a)

biodiversity

b)

keystone species

c)

ecosystem diversity

d)

biotechnology

e)

biodiversity hotspots

123.

activities such as camping in wilderness areas

a)

ecotourism

b)

captive breeding

c)

poaching

d)

genetic biodiversity

e)

endemic species

124.

illegal hunting

a)

ecotourism

b)

captive breeding

c)

poaching

d)

genetic biodiversity

e)

endemic species

125.

program that has helped return threatened species to the wild

a)

ecotourism

b)

captive breeding

c)

poaching

d)

genetic biodiversity

e)

endemic species

126.

species native to a particular area

a)

ecotourism

b)

captive breeding

c)

poaching

d)

genetic biodiversity

e)

endemic species

127.

different genes contained within a population

a)

ecotourism

b)

captive breeding

c)

poaching

d)

genetic biodiversity

e)

endemic species

128.

Preserving entire ecosystems rather than individual species is a good conservation strategy because

a)

only endangered species will be saved.

b)

developers will have greater access to land.

c)

more than one species can be saved

d)

it will not be necessary for environmentalists to study the ecosystem

129.

Where are some of the unique ecosystems of the United States?

a)

Pacific Northwest

b)

California

c)

Florida Everglades

d)

Hawaii

e)

All of the locations listed

130.

How did the CITES treaty reduce the slaughter of elephants?

a)

It placed all the elephants in city zoos to keep them safe

b)

It banned imports and exports of all ivory worldwide

c)

It limited sales of ivory to the antique market

d)

all of these answers

131.

What groups of organisms are most in danger of extinction?

a)

those with large populations that breed quickly

b)

those with small populations

c)

those that migrate or need special habitats

d)

small populations and special habitat needs

132.

Why are there so many species still unknown to modern science?

a)

Many of these species are found in remote environments

b)

Smaller species receive less attention than large organisms

c)

Cataloging these species is a huge task

d)

all of these answers

133.

Where are many critical biodiversity hotspots located?

a)

cities and developed areas of the world

b)

islands, tropical rain forests, and coastal areas

c)

desert and polar environments

d)

all of these

134.

It is often difficult to save individual species because

a)

small populations are more prone to disease

b)

inbreeding may result in genetic disorders

c)

captive species may not reproduce in the wild

d)

all of these answers

135.

What human activities have influenced recent extinction events?

a)

habitat destruction

b)

poaching

c)

introducing exotic species

d)

all of these

136.

Reasons for preserving biodiversity include all of the following except

a)

isolating unique genetic material so it can be incorporated into existing crops

b)

increasing the chances of discovering organisms with medicinal value

c)

preventing natural evolution

d)

finding new plants that can supplement the world’s food supply

137.

How many species are estimated to be living on Earth?

a)

between 10,000 and 1,000,000

b)

between 500,000 and 1 million

c)

between 1 and 5 million

d)

between 10 and 50 million

138.

What are endemic species?

a)

Extinct animals or plants species

b)

Vulnerable Species

c)

Endangered Species

d)

Species which are found only in a particular area or part of a country.

139.

Which place is kangaroos considered to be endemic

a)

Island of Madagascar

b)

Polar Regions

c)

Australia

d)

None of these

140.

Should we conserve our biodiversity along with their habitats

a)

Yes

b)

No

c)

Maybe

d)

None of these

141.
The place where an organism lives in order to obtain its food, water, shelter and other things needed for survival is called what?
a)
Niche
b)
Habitat
c)
Home
d)
Ecosystem
142.
If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?
a)
Increase
b)
Decrease
c)
Stay the same
d)
No affect on smaller fish
143.
Endemic species can easily be introduced to another habitat and be successful
a)
false- they are too specialized
b)
true- they can live anywhere
144.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
145.
A relationship in which two species live closely together.
a)
resource
b)
mutualism
c)
succession
d)
symbiosis

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