Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Environmental Science Unit 2 Review

Total questions: 85

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

High biodiversity is important because...

a)

it means that the ecosystem is more able to recover from disturbances.

b)

it means that the ecosystem is less able to recover from disturbances.

c)

it means that organisms are healthier and have more opportunities.

d)

it means that organisms are less healthy and have less opportunities.

2.

Click the image to enlarge it. Which community has higher biodiversity RICHNESS?

a)

Community 1

b)

Community 2

c)

They are the same

3.

Click the image to enlarge it. Which community has higher biodiversity EVENNESS?

a)

Community 1

b)

Community 2

c)

They are the same

4.

If a natural disturbance occurs and a species undergoes a bottleneck effect, the resulting genetic diversity will be....

a)

increased

b)

decreased

5.

Higher biodiversity =

a)

higher ecosystem resilience

b)

lower ecosystem resilience

6.

Tourism in Yellowstone National Park would be considered what type of ecosystem service?

a)

Provisioning

b)

Regulating

c)

Supporting

d)

Cultural

7.

Bees pollinating our crops would be considered what type of ecosystem service?

a)

Provisioning

b)

Regulating

c)

Supporting

d)

Cultural

8.

A forest that naturally purifies our air would be considered what type of ecosystem service?

a)

Provisioning

b)

Regulating

c)

Supporting

d)

Cultural

9.

A river that naturally filters drinking water would be considered what type of ecosystem service?

a)

Provisioning

b)

Regulating

c)

Supporting

d)

Cultural

10.

Obtaining lumber from a forest would be considered what type of ecosystem service?

a)

Provisioning

b)

Regulating

c)

Supporting

d)

Cultural

11.

Obtaining coal from the earth would be considered what type of ecosystem service?

a)

Provisioning

b)

Regulating

c)

Supporting

d)

Cultural

12.

Click the image to enlarge it. Would island 1 or 2 likely have higher biodiversity?

a)

1

b)

2

13.

Organisms can tolerate any range of temperature, salinity, and pH. True or false?

a)

True

b)

False

14.

Which fish would survive best in a pond that is kept at 23 degrees Celsius?

a)

Brook Trout

b)

Carp

15.

Which fish would survive best in a pond that is kept at 16 degrees Celsius?

a)

Brook Trout

b)

Carp

16.
All energy transformations in an ecosystem begin with
a)
a scavenger
b)
the sun
c)
a decomposer
d)
a herbivore
17.
What does a Secondary Consumer eat?
a)
Tertiary Consumers
b)
Primary Consumers
c)
Producers
d)
Secondary Consumers
18.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
19.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

20.

A connection of food chains with many food energy paths in an ecosystem is a ____________

a)

ecosystem

b)

food web

c)

environment

21.

If the hawk population decreases, what will happen to the snakes and rabbits?

a)

Snakes and rabbits will increase

b)

Snakes and rabbits will decrease

c)

Snakes will decrease, rabbits will increase

d)

Snakes will increase, rabbits will decrease

22.

What will happen if the snake population is DOUBLED?

a)

The other populations will increase too

b)

The other populations will decrease

c)

Rabbits and hawks will decrease, grass will increase

d)

Grass and hawks will increase, rabbits will decrease

23.

Water pollution has killed about half the hawk population. What will happen to the other populations?

a)

Snakes and grass will increase at first

b)

Rabbits will decrease at first

c)

The ecosystem will reach equilibrium

d)

All of these

24.

The grass is on which trophic level?

a)

1st

b)

2nd

c)

3rd

d)

4th

25.

The snake is what type of consumer?

a)

Primary

b)

Secondary

c)

Tertiary

26.

Primary consumers eat...

a)

producers

b)

secondary consumers

c)

tertiary consumers

d)

quaternary

consumers

27.

If a person eats a vegetable, the person is acting as a...

a)

producer

b)

primary consumer

c)

secondary consumer

d)

tertiary consumer

28.

A person who eats a chicken that ate grain is a...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

d)

quaternary consumer

29.

As nutritional energy passes trough the food chain, energy...

a)

is lost as heat

b)

is gained as heat

c)

remains constant

d)

increases, then decreases

30.

Autotrophs...

a)

make their own food

b)

are the base of the food chain

c)

are producers

d)

all of the above

31.

A heterotroph...

a)

has to find its food

b)

eats other organisms

c)

is a consumer

d)

all of the above

32.

There are more tertiary consumers than there are...

a)

primary consumers

b)

secondary consumers

c)

quaternary consumers

d)

all of the above

33.

A top predator...

a)

has no natural enemies

b)

is a meat eater

c)

is a heterotroph

d)

all of the above

34.

If a natural disturbance occurs and a species undergoes a bottleneck effect, the resulting genetic diversity will be....

a)

increased

b)

decreased

35.

Higher biodiversity =

a)

higher ecosystem resilience

b)

lower ecosystem resilience

36.

If a species is close to extinction it is

a)

Overpopulated

b)

Abiotic

c)

Endangered

d)

Growing

37.

Biotic means...

a)

Living

b)

nonliving

c)

Biotic and abiotic factors working together

d)

Organisms competing for the same resources

38.

Abiotic means....

a)

Living

b)

squirrels

c)

nonliving

d)

Adaptations

39.

Biological competition is....

a)

Organisms competing for different resources.

b)

Organisms competing for the same resources

c)

living things

d)

nonliving things

40.

During primary succession,

a)

the rate of succession is much faster, and climax is reached more quickly.

b)

the rate of succession is very slow.

c)

A pioneer species invades a barren area not colonised before.

d)

Both B & C.

41.

A climax community is

a)

in equilibrium with the environment

b)

stable, but is replaced soon during succession

c)

characterised by presence of decreased capacity of biomass production

d)

one of the seral community

42.

If 10,000 J of energy is present at the T1 level, then what is the energy available at the T2 level?

a)

1000 J

b)

10 J

c)

100 J

d)

1J

43.

Which of the following is the available biomass for the consumption to heterotrophs?

a)

Secondary productivity

b)

Ecological efficiency

c)

Net primary productivity

d)

Gross primary productivity

44.
What does NOT produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
45.
TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.
a)
True
b)
False
46.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
47.
Carbon can be found in...
a)
The atmosphere
b)
Soil
c)
Fossil fuels
d)
All of the above
48.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
49.
Respiration is the process by which animals take in _____ and release _____. 
a)
photosynthesis, air
b)
carbon, oxygen
c)
oxygen
d)
oxygen, carbon dioxide
50.
The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?
a)
X : Respiration
Y : Predation
b)
X : Adaptation
Y : Decomposition
c)
X : Fermentation
Y : Nitrogen Fixation
d)
X : Decomposition
Y : Respiration
51.
Which of the following is an example of a decomposer?
a)
Owl
b)
Fish
c)
Tree
d)
Mushroom
52.

C6H12O6 is also known as glucose (sugar). Where is it found?

a)

Plants

b)

Animals

c)

Both plants and animals

d)

Neither plants or animals

53.

How do animals get carbon?

a)

By eating plants and or other animals.

b)

They absorb it from the atmosphere.

c)

From the ground

d)

They do not get carbon from anywhere.

54.

What are fossil fuels made from?

a)

Plants and animals that are buried underground for millions of years.

b)

They absorb it from the atmosphere.

c)

Water

d)

Wind

55.

What is CO2?

a)

Carbon Monoxide

b)

Carbon Trioxide

c)

Carbon Dioxide

d)

Oxygen

56.

Which of the following are fossil fuels?

a)

Coal, water, oil

b)

Oxygen, coal, oil

c)

Coal, Oil, Natural Gas

d)

None of the above

57.

The ______ biome is the largest on Earth, characterized by low temperatures, thin, young soil, and limited plant species.

a)

deciduous forest

b)

tropical rainforest

c)

taiga

d)

desert

58.

The greatest biodiversity on earth is found in the __________ biome.

a)

taiga

b)

deciduous forest

c)

grasslands

d)

tropical rainforest

59.

In which state would you most likely find a biome that is known for its large herbivores, few trees, and fire-dependent ecology?

a)

South Florida

b)

California

c)

Arizona

d)

Alaska

60.

Temperature and moisture are key factors in determining where each of the major terrestrial _______________ occur.

a)

ecosystems

b)

biosphere

c)

biomes

d)

niches

61.

Cone-bearing trees (like pines, spruce, and fir) grow best in areas where winters are long and cold. Large mammals like moose, elk, and bear also live and thrive in these cold areas known collectively as the ________________ biome

a)

taiga

b)

temperate deciduous forest

c)

desert

d)

temperate grasslands

62.

Many evergreen trees produce seed-bearing cones and have needle-like leaves that are coated in a thick, waxy substance that helps minimize moisture loss

a)

coniferous

b)

deciduous

c)

succulents

d)

epiphytes

63.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
64.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
65.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
66.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
67.

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

68.

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

69.
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
d)
Lichens convert carbohydrates into fossil fuels.
70.

The picture shows what type of succession?

a)

primary

b)

secondary

c)

tertiary

d)

quadanary

71.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species
72.

the variety of species in an ecosystem is called

a)

biogeography

b)

biodiversity

c)

resilience

d)

resistance

73.

the number of different types of species in an ecosystem

a)

richness

b)

evenness

c)

hot spot

d)

biodiversity

74.

the abundance of each species in an area is called

a)

richness

b)

evenness

c)

biodiversity

d)

random distribution

75.

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

76.

Where does most air pollution come from?

a)

Human activities

b)

Wildfires

c)

Volcanic eruptions

d)

Allergens

77.

The number one reason for deforestation?

a)

Logging

b)

Agriculture

c)

Urban development

d)

To increase biodiversity

78.

A species that is not supposed to be in an ecosystem (non-native) and has no competition

a)

invasive species

b)

fossil fuels

c)

direct harvesting

d)

indicator species

79.
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
80.
Which of the following symbiotic relationships is considered parasitic?
a)
Ticks feeding on a dog
b)
Bees transporting pollen from flowers
c)
Pilotfish swimming under sharks
d)
Birds eating the insects fromo the back of hippo
81.
Maria and her classmates are observing animals at the pond. They notice that wood storks and ibisies both feed on fish. Which of these describes the relationship between these two birds.
a)
Parasitism
b)
Competition
c)
Predator and prey
d)
Producer and consumer
82.
Which of these describes a mutually beneficial relationship between two organisms?
a)
A dog with worms in its intestine
b)
A turtle and a snail that both eat grass live in a river
c)
A honeybee pollinating a plant and receiving nectar for food
d)
A small fish attached to a shark, eating tiny pieces of the shark's food as it floats
83.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Parasite
d)
Host
84.
A close long term association between 2 or more species
a)
Mutualism
b)
Commensalism
c)
Symbiosis
d)
Parasitism
85.
Relationship where one organism benefits and the other is neither harmed nor helped
a)
Commensalism
b)
Parasitism
c)
Mutualism
d)
Competition

Similar Resources on Wayground

MAP - Strand 11 - Cardiovascular System

80 questions

MAP - Strand 11 - Cardiovascular System

quiz

Worksheet

•

9th Grade - University

Anatomy and Physiology Semester 1 Final

90 questions

Anatomy and Physiology Semester 1 Final

quiz

Worksheet

•

11th Grade

KMT & Gas Laws (Graham's,Avogadro's, & Boyle's Law)

85 questions

KMT & Gas Laws (Graham's,Avogadro's, & Boyle's Law)

quiz

Worksheet

•

9th - 12th Grade

Weather

80 questions

Weather

quiz

Worksheet

•

9th - 12th Grade

Behavior of Gases - KMT

82 questions

Behavior of Gases - KMT

quiz

Worksheet

•

11th Grade

11 Evolution Of Populations

83 questions

11 Evolution Of Populations

quiz

Worksheet

•

9th - 12th Grade

Biogeochemical Cycles

90 questions

Biogeochemical Cycles

quiz

Worksheet

•

9th - 12th Grade

Evolution Review

82 questions

Evolution Review

quiz

Worksheet

•

9th - 12th Grade