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Unit 7: Biodiversity, Sustainability, Ecological Succession

Total questions: 146

Worksheet time: 4hrs 41mins

Name
Class
Date
1.

Which experiences the least change over time?

a)

Pioneer Species

b)

Primary Succession

c)

Aquatic Succession

d)

Climax Community

2.

What is a common characteristic among pioneer species?

a)

roots that break apart rocks

b)

long thick roots

c)

exposed surface roots

d)

soak up water quickly

3.

Which of the following best describes primary succession?

a)

Volcano wipes out ecosystem that gradually grows back from ash covered soil

b)

Volcano creates a new island of rock that must break down to form an ecosystem

c)

Forest fire burns down forest that must bounce back over time

d)

Tornado destroys a crop that must slowly grow back over time.

4.

What term best relates to equilibrium?

a)

pioneer species

b)

primary succession

c)

secondary succession

d)

climax community

5.

If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return?

a)

trees

b)

shrubs

c)

mosses

d)

grasses

6.

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

a)

Secondary Succession

b)

Aquatic succession

c)

Primary Succession

d)

Ferns must grow

7.

Which would most likely result in primary succession?

a)

old forest growing

b)

undisturbed prairie

c)

pollution kills mountain lake species

d)

a Newly formed volcanic island

8.

Which progression best explains secondary succession?

a)

lichens>grass>shrubs>small trees> big trees

b)

mosses>creates soil>grasses>small trees> big trees

c)

Volcano destroys ecosystem>grasses>shrubs>small trees>big trees

d)

Volcano forms new island> lichens>grasses>shrubs>small trees>big trees

9.

Which best describes eutriphication?

a)

pond slowly filling with sediment over time; becoming a forest

b)

growth of an ecosystem following a disturbance

c)

forest burning down

d)

humans causing succession

10.

Which would result in primary succession?

a)

volcano destroying habitat leaving only soil and ash

b)

Tornado destroying a crop leaving very little soil

c)

Glacier retreating exposing bare rock

d)

limiting factors

11.

If you visited a forest in 2015 and there was only small plants there when revisited in 2019, what likely happened?

a)

passing of a glacier

b)

preservation of a habitat

c)

occurrence of a forest fire

d)

development of a parking lot

12.

Which of the following is the correct aquatic succession stages?

a)

Full ecosystem>trees>shrubs>fish and aquatic animals>plants> water only

b)

Water only>small plants and animals>sediment builds> pond fills with soil

c)

fire>grass>shrubs>trees

d)

bare rock>lichens>grasses>shrubs>trees

13.

Both primary and secondary succession start with...

a)

modify an area to allow more complex organisms to appear

b)

lichens and moss

c)

never reach climax community

d)

start from a volcano always

14.

How do pioneer species compare in primary and secondary succession?

a)

primary starts with grass and weeds, secondary starts with mosses

b)

primary starts with forest fire, secondary starts with volcano

c)

primary starts with a volcano, secondary starts with a forest fire

d)

Lichens and moss in primary, and grasses/ ferns in secondary

15.

An example of typical pioneer species, that is one that appears in the earliest stages of ecological succession is:

a)

Oak Trees

b)

Spiders

c)

Weeds

d)

Small Conifer Trees

16.

Primary succession occurs in areas with:

a)

very little soil

b)

lots of soil

c)

no soil

d)

soil that has been disturbed

17.

What best describes the term succession?

a)

rapid changes that create an ecosystem overnight

b)

gradual changes over time to fully create or restore and ecosystem

c)

forest with the tallest trees

d)

the rate species produce offspring

18.

Why do grasses appear before shrubs in ecological succession?

a)

loosen the dirt for new trees to take roots?

b)

provide food for animals returning to the area

c)

require plenty of sunlight to make their own food

d)

can grow even in areas with shallow soil

19.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
20.
succession that occurs in an area where soil is already present
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
21.
the first organisms that appear in an ecological community
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
22.
a stable ecological community that has reached equilibrium
a)
ecological succession 
b)
climax community
c)
secondary succession
d)
pioneer speciles
23.
ends in a climax community
a)
primary succession 
b)
secondary succession
c)
both types of succession
24.
species diversity eventually increases
a)
primary succession 
b)
secondary succession
c)
both types of succession
25.
starts with bare rock followed by lichen
a)
primary succession 
b)
secondary succession
c)
both types of succession
26.
occurs over time
a)
primary succession 
b)
secondary succession
c)
both types of succession
27.
reaches a climax community quicker because soil is already present
a)
primary succession 
b)
secondary succession
c)
both types of succession
28.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
29.
The first organisms that appear in an ecological community
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
30.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
31.
Natural disasters such as flooding and tornadoes are linked to ________________.
a)
primary
b)
secondary
c)
old field
d)
ecosystem
32.
In which biome can you find permafrost?
a)
taiga
b)
tundra
c)
desert
d)
chaparral
33.
Which biome, because of its climate, has the largest number of species of plants and animals?
a)
tundra
b)
desert
c)
rain forest
d)
pine forest
34.
Which biome is MOST LIKE the "desert" in terms of precipitation?
a)
tropical rainforest
b)
temperate deciduous forest
c)
tundra
d)
coniferous forest
35.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
36.
The process of change in the living parts of the ecosystem 
a)
ecological succession 
b)
primary succession 
c)
climax community
d)
pioneer species
37.

Primary succession occurs in an area that has:

a)

soil

b)

no soil

c)

some soil

d)

none of these

38.

___ are the first organisms to colonize an area and begin the process of ecological succession.

a)

foundational organisms

b)

introductory organisms

c)

primary organisms

d)

pioneer species

39.

What is the main difference between primary and secondary ecological succession?

a)

Primary begins WITHOUT soil; Secondary begins WITH soil

b)

Primary is the first state and secondary is the second stage

c)

Primary builds plant community; secondary builds animal community

d)

Primary begins WITH soil; Secondary begins WITHOUT soil

40.

What is an example of a disturbance that could bring about secondary succession?

a)

Humans cut down many trees in a small region

b)

A volcanic eruption covers a village in lava.

41.
Which is the correct order in primary succession?
a)
Rocks, Lichens & Mosses, Bushes & Shrubs, Trees
b)
Lichens & Mosses, Rocks, Trees, Bushes & Shrubs 
c)
Trees, Bushes and Shrubs, Lichens & Mosses, Lichens & Mosses
d)
Rocks, Grass, Trees, Bushes & Shrubs
42.

During a forest fire most vegetation (plants) burn. Which ecological succession will take place after a forest fire?

a)

Primary

b)

Secondary

43.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
44.

As ecological succession progresses, a pioneer community gradually changes into a climax community. What typically happens during this process?

a)

The number of species increases

b)

The number of species decreases

c)

The organisms in an area decrease in size

d)

The organisms in an area can no longer find food

45.

Which of the following types of organisms would be present during the pioneer community stage of ecological succession?

a)

Lichens and mosses

b)

Grasses and shrubs

c)

Small trees and wildflowers

d)

Tall trees and thick brush

Which

46.

As an ecosystem transitions from a grassland to a forest, grasses will begin to -

a)

adapt to life in the forest.

b)

be replaced by other plants.

c)

multiply to establish dominance.

d)

relocate to a nearby grassland.

47.

What are the two types of ecological succession?

a)

Primary and Secondary

b)

Environmental and Natural

c)

Habitat and Community

d)

Population and Community

48.
Natural disasters such as flooding and tornadoes are linked to ________________.
a)
primary
b)
secondary
c)
old field
d)
ecosystem
49.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
ecological succession
c)
secondary succession
d)
intermediate
50.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
51.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
52.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
53.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Lichens → tree → shrubs→Grasses
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
54.
Reaches a climax community quicker because soil is already present
a)
primary succession 
b)
secondary succession
c)
both types of succession
55.
What is the most important function of pioneer species?
a)
To create rocks
b)
To create soil and add nutrients to the environment 
c)
To look nice
d)
Food for animals 
56.
Succession that occurs in an area with NO SOIL
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
57.
this type of succession occurs after a forest fire
a)
primary succession
b)
secondary succession
c)
both
58.

Ecological succession can be described as

a)

A change in weather

b)

The dominant species in one particular area

c)

A gradual change in plant and animal life in an ecosystem over time

d)

Species that survive best when there is little or no competition in an area

59.

What is one way secondary succession differs from primary succession?

a)

Secondary succession is typically quicker than primary succession

b)

Secondary succession is typically slower than primary succession

c)

Secondary succession only occurs in mountains, primary succession only occurs in wetlands

d)

Secondary succession is the gradual change in plant species, while primary succession is the gradual change in animal species

60.

A community of moss and lichens growing on an outcrop of a rock is an example of

a)

A behavioral adaptation

b)

A climax community

c)

Primary succession

d)

Secondary succession

61.

Which diagram best represents a climax community?

a)

Picture A

b)

Picture B

c)

Picture C

d)

Picture D

62.

Which of the following represents secondary succession?

a)

Moss growing on top of rocks

b)

Plants growing in a forest that was destroyed by fire

c)

Plants growing on sand dunes

d)

Plants growing on a new volcanic island that formed in the ocean

63.

The graph below shows how the number of species in a particular ecosystem changed over a 200 year period. What is one conclusion you can make based on the information in the graph?

a)

The number of species increased the most during the first 50 years

b)

The number of species decreased by 25,0000 over a period of 200 years

c)

The number of species decresed the most durin gthe last 80 years

d)

The number of species increased by 25,000 over a period of 200 years.

64.

Which statement about pioneer species is TRUE?

a)

Pioneer species require soil to grow

b)

Pioneer species are organisms made up of only one cell

c)

Pioneer species thrive during the early stages of ecological succession

d)

Pioneer species, such as hardwood trees, thrive during the final stages of ecological succession

65.

As ecological succession progresses, a pioneer community gradually changes into a climax community. What typically happens during this process?

a)

The number of species increases

b)

The number of species decreases

c)

The organisms in an area decrease in size

d)

The organisms in an area can no longer find food

66.

The process of ecological succession usually begins after all of the following EXCEPT:

a)

Flooding

b)

Forest Fire

c)

Rain Showers

d)

Volcanic eruptions

67.

An empty lot that was only covered in dirt ten years ago is now home to many different species of plants and animals. Based on your knowledge about ecological succession, what can you infer?

a)

People must have planted all the plants in the empty lot

b)

There are more rocks in the soil compared to 10 years ago

c)

There are more nutrients in the soil compared to ten years ago

d)

The animals will not survive because there is not enough plants.

68.

Select two pioneer species

a)

Lichen

b)

Moss

c)

Deciduous tree

d)

Deer

69.

What is needed for more complex plants to grow?

a)

Water depth

b)

Tacos

c)

Soil depth

70.

The gradual process in which ecosystems change or develop over time is called

a)

Ecological Succession

b)

Peanut Butter and Jelly

c)

Volcano

d)

Glacier

71.

Which series of pictures BEST represents ecological succession?

a)

A

b)

B

c)

C

d)

D

72.
What is ecological succession?
a)
A slow change in an environment
b)
A change that takes days in an environment
c)
No change
d)
Abiotic change
73.
What are examples of pioneer species in a primary succession?
a)
Bushes and Shrubs
b)
Oak trees
c)
Mossess and Lichens 
d)
A rose Bush
74.
A pioneer species is...
a)
a large organism
b)
the first organisms to adapt to a new environment 
c)
The best organism 
d)
Abiotic organisms 
75.
What is the most important function of pioneer species?
a)
To create rocks
b)
To create soil and add nutrients to the environment 
c)
To look nice
d)
Food for animals 
76.
A climax community is ….
a)
the beginning of a new ecological succession.
b)
the rocks in a new environment.
c)
the fire that will cause destruction.
d)
an area that reaches its greatest growing potential.
77.
What is the difference between primary and secondary succession?
a)
Primary succession already has soil.
b)
Primary has soil and secondary does not
c)
soil is present in both
d)
primary has no soil and secondary has soil
78.
A large tree forest is an example of ...
a)
a small community
b)
a abiotic community
c)
a climax community
d)
a pioneer species 
79.
Why does primary succession take longer to reach climax community?
a)
Because trees do not perform photosyntheses.
b)
Because climax community is in a forrest.
c)
Because primary succession already has soil
d)
Because primary succession does not have soil
80.
Which is the correct order in primary succession?
a)
Rocks, Lichens & Mosses, Bushes & Shrubs, Trees
b)
Lichens & Mosses, Rocks, Trees, Bushes & Shrubs 
c)
Trees, Bushes and Shrubs, Lichens & Mosses, Lichens & Mosses
d)
Rocks, Grass, Trees, Bushes & Shrubs
81.
First species to arrive in an area
a)
invasive species
b)
abiotic components
c)
pioneer species
d)
parasites
82.
First species occuring in areas of primary succession are mosses and
a)
grasses
b)
wildflowers
c)
trees
d)
lichens
83.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
84.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
85.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Lichens → tree → shrubs→Grasses
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
86.
What is the correct order from oldest (happened first) to youngest (happened last) in this pond succession?
a)
A, B, C, D
b)
D, C, B, A
c)
B, A, D, C
d)
C, D, A, B
87.
What is the first species you will see after a primary succession? (in picture)
a)
lichens
b)
grasses
c)
small plants
88.
This is an example of...
a)
Climax communities
b)
Secondary succession
c)
Lichen
d)
Pioneer species
89.
A pioneer species is...
a)
a large organism
b)
the first organisms to adapt to a new environment 
c)
The best organism 
d)
Abiotic organisms 
90.
What is the most important function of pioneer species?
a)
To create rocks
b)
To create soil and add nutrients to the environment 
c)
To look nice
d)
Food for animals 
91.
Succession that occurs in an area with NO SOIL
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
92.

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

93.

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.

94.

A stable ecosystem typically has high biodiversity.

a)

True

b)

False

95.

High biodiversity is a sign of a healthy ecosystem.

a)

True

b)

False

96.

What does the root "bio" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

97.

What does the root "diversity" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

98.

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.

99.
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. 
100.

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

a)

One with High biodiversity

b)

One with Low biodiversity

101.

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

102.

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

a)

ecosystem

b)

population

c)

genetic

d)

species

103.

Which ecosystem below has the HIGHEST biodiversity?

a)
b)
c)
104.

What are the 3 types of biodiversity (SELECT 3)

a)

Genetic

b)

Species

c)

Ecosystem

d)

Size

e)

Biotic

105.

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

106.

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

a)

Ecosystem Diversity

b)

Species Diversity

c)

Genetic Diversity

107.

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

a)

Genetic Diversity

b)

Species Diversity

c)

Ecosystem Diversity

108.

Which biome is more biodiverse?

a)

Desert

b)

Grassland

c)

Tundra

d)

Rainforest

109.
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.
110.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
111.
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!
112.

A farmer digs a small pond in a pasture. The farmer adds young individuals from two species of algae-eating fish to the pond and plants some reeds around the edge of the pond. The farmer wants the pond to be a sustainable ecosystem.

Which of the following would be most helpful in increasing the pond ecosystem’s sustainability?

a)

Decreasing the number of pond species around the edges of the pond

b)

Introducing older fish of the same species into the population of algae-eating fish

c)

Having a greater diversity of living organisms in the pond

d)

Adding water between the water and where the reeds are planted

113.

What does biodiversity indicate about an ecosystem?

a)

the location of the ecosystem

b)

the overall size of the ecosystem

c)

the ability of the ecosystem to survive change

d)

the identity of the organisms that began ecological succession in the ecosystem

114.

The warmer the environment is and the closer an environment is to the equator, the higher the biodiversity of the environment. Based on these observations, which of these environments has the greatest biodiversity?

a)

Tundra

b)

Desert

c)

Tropical rainforest

d)

Grasslands

115.

Which term best describes the number and variety of organisms in a given area during a specific period of time?

a)

limiting factor

b)

biodiversity

c)

succession

d)

sustainability

116.

The following table lists the number and variety of organisms in four different ecosystems.

Based on the table, which ecosystem is likely the most sustainable?

a)

Ecosystem 1

b)

Ecosystem 2

c)

Ecosystem 3

d)

Ecosystem 4

117.

In which biome would you expect to find many coniferous trees?

a)

taiga

b)

Tundra

c)

Savanna

d)

Tropical rainforest

118.

What is one way that a temperate rainforest is different from a temperate deciduous forest?

a)

A temperate rainforest has large populations of grasses rather than tall trees.

b)

A temperate rainforest is made up of palm trees rather than coniferous trees.

c)

A temperate rainforest has a long rainy season rather than moderate, year-round rainfall.

d)

A temperate rain forest has trees that lose their leaves in winter rather than keeping them year-round.

119.

You observe a garden in a schoolyard. Corn, tomatoes, pumpkins, and other crops thrive in the garden. What is most likely true of the soil in this microhabitat?

a)

It is dry and frozen.

b)

It is rocky, sandy, and dry.

c)

It is deep, dark, and nutrient rich.

d)

It is thin, acidic, and nutrient poor.

120.

What important role does fire play in a grassland biome?

a)

It helps seeds germinate.

b)

It spreads seeds to distant locations.

c)

It causes flowers on plants to bloom.

d)

It prevents animals from eating plant populations.

121.

How are tropical plants such as bromeliads adapted to the biome in which they live?

a)

They grow from tree branches rather than the forest floor, which helps them to absorb more sunlight.

b)

They have long, thick roots, which helps them to gather the nutrients that are found deep within the soil.

c)

They have hollow leaves and stems for storing water, which helps them to survive long periods with little rainfall.

d)

They lose their leaves during the winter, which helps them to save energy when the temperature falls and prevents the buildup of snow.

122.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline
123.
Sustainability refers to
a)
how many species are present in an ecosystem
b)
when a species goes extinct
c)
how long a species lives
d)
the ability to maintain ecological process over long periods of time.
124.
The higher the biodiversity, the more sustainable an ecosystem is.
a)
True
b)
False
125.
Which best explains why producers are at the beginning of all food chains?
a)
They turn dead animals into nutrients
b)
They provide shelter for smaller animals
c)
The transfer energy from the sun into food
126.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
127.
Brown trout consume (eat) more tadpoles when the fly larvae reduce in number (decrease).  This proves...
a)
The dependence of organisms and biodiversity in an ecosystem
b)
Diversity increases as organisms decrease
c)
Losing an animal is good for ecosystems
d)
Changes in ecosystems create new organisms
128.
In a grassland ecosystem, lions prey on wildebeest. The population of lions has declined steadily because of illegal hunting. What will most likely happen to the population of wildebeest?
a)
The wildebeest population will increase
b)
The wildebeest population will decrease
c)
The wildebeest population will remian the same
129.
Field mice eat corn. Which would most likely happen if the field mouse population grew?
a)
There would be more corn to feed the field mice.
b)
There would be less corn due to the mice eating it.
c)
The habitat would get overpopulated because the mice woudl eat too much.
130.
In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?
a)
There would be an overpopulation of arctic hares and lemmings.
b)
Polar bears would move to a new ecosystem
c)
The ecosystem would collapse because it lost its main producer
d)
Wildflowers would die out from the ecosystem
131.
Humans are not affected by the biodiversity of ecosystems.
a)
True
b)
False
132.

Anastayjia visited 3 different ecosystems to collect specimens. She visited a grassy area in a tundra and woody area in a Temperate deciduous forest. She collected 20 different types of species from the tundra and 98 different types of species from the forest. Which ecosystem is the MOST sustainable?

a)

Tundra

b)

Desert

c)

Temperate deciduous forest

d)

Rainforest

133.

What two factors would make biodiversity increase?

a)

Tornadoes and hurricanes

b)

Large amount of producers and water

c)

More predators and competition

d)

The water cycle and ocean warming

134.

What is true about sustainability?

a)

Having a small number of species increases biodiversity

b)

Sustainability is how organisms change over time

c)

Sustainability is how much rainfall and sunlight an ecosystem receives

d)

The more different types of species you have (biodiversity) the better an ecosystem can sustain itself

135.

Biodiversity means..

a)

The variety of life in an ecosystem

b)

How an ecosystem changes over time

c)

Differences among humans

d)

Diversity of a select few species in a deserted area

136.

A certain area of the Indian ocean is expected to dry up and become a desert over thousands of years. What will happen to the sustainability of this ocean?

a)

Sustainability would increase because the number of species would increase

b)

Sustainability would remain the same

c)

Sustainability would decrease because the number of species would decrease

d)

Not enough information is given

137.

Which of the following would cause biodiversity to DECREASE?

a)

Water

b)

Forest Fires

c)

Sunlight

d)

Producers

138.

What is the most important biotic factor in supporting an ecosystem?

a)

water

b)

sunlight

c)

herbivores

d)

producers

139.

What is false about biodiversity

a)

More biodiversity makes it least likely for a species to survive a disturbance such as a Tsunami

b)

More biodiversity allows species to survive a disturbance such as a hurricane

c)

As biodiversity increases sustainability increases

d)

Genetic biodiversity is what makes us look and act different

140.

A hurricane hit a tundra and a forest. A tundra is less biodiverse than the forest. Which biome would be impacted the most?

a)

The forest because it has more species and it wouldn't be able to sustain itself as well as the tundra

b)

They would be impacted the same

c)

The forest because it has more producers

d)

The tundra because it has less species and it wouldn't be able to sustain itself as well as the forest

141.

When biodiversity increases

a)

Sustainability decreases

b)

Sustainability remains the same

c)

Sustainability also increases

d)

Sustainability becomes greater by 2

142.

When biodiversity decreases

a)

Sustainability also decreases

b)

Sustainability remains the same

c)

Sustainability increases

d)

Sustainability is not impacted

143.

Biodiversity occurs in all except..

a)

Genes

b)

Abiotic factors

c)

Species

d)

Ecosystem

144.

The greater a habitat’s biodiversity, the greater will be that habitat’s

a)

sustainability over time

b)

consumption of energy in the form of sunlight

c)

temperature ranges across the seasons

d)

distance to the nearest water source.

145.

Which of the following most likely supports the most sustainable ecosystem?

a)

The habitat with the greatest number of predators

b)

The habitat with the greatest variety of living things

c)

The habitat with the warmest average temperature

d)

The habitat with the greatest number of consumers

146.

The ocean ecosystem has a high sustainability because of -

a)

strong, persistent currents

b)

predator/prey relationships

c)

the large variety of different organisms, producers, and water

d)

None of the above

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