Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

ENVS- Unit 2a: Ecology, Communities, and Populations

Total questions: 220

Worksheet time: 3hrs 50mins

Name
Class
Date
1.

Abiotic parts of an ecosystem are

a)

Living

b)

Non-living

c)

Alive

d)

Observable with human eye

2.

Biotic parts of an ecosystem are

a)

Living

b)

Non-living

c)

Green

d)

Multi-cellular

3.

Which of the following is ABIOTIC

a)

Plants

b)

Animals

c)

Sunlight

d)

Algae

4.

Which of the following is BIOTIC

a)

Car

b)

Bacteria

c)

Table

d)

Water

5.

Ecology is the study of

a)

interactions between non-living things and their relationship with the sun

b)

interactions between living things and their relationship with the environment

c)

interactions between non-living things and their relationship with the environment

d)

interactions between living things and their relationship with each other

6.

An ecosystem

a)

is a community of organisms and their environment.

b)

is made of both biotic and abiotic factors

c)

can come in many shapes and sizes

d)

All answers are true

7.

An ecosystem needs both abiotic and biotic factors to survive

a)

True

b)

False

8.

An individual plant, animal or single-celled bacteria

a)

Organism

b)

Species

c)

Population

d)

Biome

9.

Closely related organisms that can reproduce

a)

Organism

b)

Population

c)

Species

d)

Pride

10.

All the populations of different species that interact in an ecosystem

a)

Population

b)

Species

c)

Community

d)

Ecosystem

11.

The Amazon Rainforest is an example of a

a)

Biosphere

b)

Biome

c)

Population

d)

Species

12.

Which one of these is NOT one of Earth's spheres?

a)

Atmosphere

b)

Biosphere

c)

Urbansphere

d)

Geosphere

13.

Hot Soup

a)

Abiotic

b)

Biotic

14.

Leaf

a)

Abiotic

b)

Biotic

15.

Electric Car

a)

Abiotic

b)

Biotic

16.

Sea Sponge

a)

Abiotic

b)

Biotic

17.

Mold on your cheese

a)

Abiotic

b)

Biotic

18.

Clouds

a)

Abiotic

b)

Biotic

19.

A Clown Fish lives in an anemone to protect it from predators. The anemone is the fish's

a)

Biome

b)

Species

c)

Habitat

d)

Food

20.

Giraffes' long necks help them reach leafs at the top of trees. This is an example of a

a)

Habitat

b)

Population

c)

Niche

d)

Species

21.

Each organism has a relationship with every element of its environment.

a)

True

b)

False

22.

A habitat is ___________________.

a)

the place or kind of place in which an animal or plant naturally lives.

b)

is how plants produce their own food.

c)

is an animal that only eats meat.

d)

the place where only one animal lives.

23.

A niche ________________.

a)

is the function that an organism performs in the food web of that community.

b)

includes everything else the organism does and needs in its environment.

c)

is specific to each individual animal and plant.

d)

All of the above.

24.

An organism’s habitat provides _____________________.

a)

food, water, shelter, and space.

b)

food, water, and clothes.

c)

only food.

d)

video games, ninjas, and baked beans.

25.

A squirrels niche would be _________________.

a)

hunting prey and providing meat for other squirrels.

b)

searching for fish to eat in the ocean.

c)

staying busy storing nuts and seeds for winter.

d)

help decompose other animals and plants.

26.

A squirrels habitat would be _____________.

a)

Ocean

b)

Arctic

c)

Forest

d)

Dessert

27.

A whale's niche would be which of the following?

a)

eating plankton and krill.

b)

eating sharks and dolphins.

c)

eating hamburgers and fries.

d)

eating other whales.

28.

What is a niche?

a)

Where an organism lives.

b)

An organisms role, or job, within its ecosystem.

c)

What an organism eats.

29.

What is a Niche of a honeybee?

a)

Pollenating Flowers

b)

A Honeycomb

c)

Eating other insects.

d)

Swimming.

30.

What is shown in the image?

a)

Habitat

b)

Niche

31.

What is shown in the image?

a)

Habitat

b)

Niche

32.

What is shown in the image?

a)

Niche

b)

Habitat

33.

The place where an organism lives within an ecosystem is its-

a)

habitat

b)

niche

c)

biome

d)

ecosystem

34.
The lion lives on the savanna. 
a)
habitat
b)
niche
35.
The lion is a carnivore. 
a)
habitat 
b)
niche
36.
Birds live in the decidious forest.  
a)
habitat
b)
niche
37.
Birds parent their offspring. 
a)
habitat 
b)
niche
38.
a place an organism lives. 
a)
habitat 
b)
niche
39.
the role an organism plays in the environment. 
a)
habitat 
b)
niche
40.
crocodiles live in freshwater rivers. 
a)
habitat 
b)
niche
41.
The crocodile is a carnivore. 
a)
habitat 
b)
niche
42.
an organism that only eats meat. 
a)
carnivore
b)
omnivore
c)
herbivore
43.
an organism that only eats producers. 
a)
herbivore
b)
carnivore
c)
omnivore
44.
an organism that eats both producers and other consumers. 
a)
omnivore
b)
carnivore 
c)
herbivore
45.
Which terms best describe heterotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
46.
From where do autotrophs obtain their energy?
a)
The sun
b)
Other organisms
47.
Which terms best describe autotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
48.
What is another name to describe a heterotroph?
a)
Consumer
b)
Producer
49.
How can animals and fungi best be classified?
a)
Autotroph
b)
Heterotroph
50.

What are humans?

a)

Autotrophs

b)

Heterotrophs

51.

Which category of organism cannot make its own food?

a)

Autotroph

b)

Heterotroph

52.

What is a worm?

a)

autotroph

b)

heterotroph

53.

What is asparagus?

a)

autotroph

b)

heterotroph

54.

What is a lily pad?

a)

autotroph

b)

heterotroph

55.

Select the AUTOTROPHS

a)
b)
c)
d)
56.

Which of the following organisms recycle materials from dead organisms and their waste products?

a)

autotrophs

b)

heterotrophs

c)

scavengers

d)

decomposers

57.

Organisms that only eat producers

a)

Herbivores

b)

Carnivores

c)

Scavengers

d)

Omnivores

58.

Organisms that only eat consumers

a)

Herbivores

b)

Carnivores

c)

Scavengers

d)

Omnivores

59.

Organisms that eat both producers and consumers

a)

Herbivores

b)

Carnivores

c)

Scavengers

d)

Omnivores

60.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
61.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
62.

Heterotrophs can eat

a)

plants

b)

meat

c)

plants and meat

d)

sunlight energy

63.

Click all examples of heterotrophs

a)

plants

b)

animals

c)

bacteria

d)

some types of fungi and protists

64.

What is the name of the process that autotrophs or producers use to make food?

a)

cellular respiration

b)

photosynthesis

c)

photo respiration

d)

cellularsynthesis

65.
A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.
a)
Genetic Drift
b)
Natural Selection
c)
Non-random mating
d)
Mutation
66.

During gestation (pregnancy), a developing male pig had a change in his genetic code. The result was that he to produce less nitrogenous solid waste.

a)

Genetic Drift

b)

Non-random mating

c)

Mutation

d)

Natural Selection

67.
Five hundred years after the deer had established a flourishing population in the park, a few of them venture back to their original woods and have babies with the deer there.
a)
Genetic Drift
b)
Mutations
c)
Non-random mating
d)
Gene flow
68.
Wolves from the Arizona mesa were transferred to the Colorado Rockies after a forest fire destroyed their habitat. They quickly became part of the local pack and had offspring.
a)
Mutation
b)
Natural Selection
c)
Genetic Drift
d)
Gene Flow
69.
7 Wild Mustangs were taken from the prairies of Iowa after a Texan Rancher purchased them and provided them with their own pasture. Those 7 Mustangs eventually became 122.
a)
Genetic Drift (small popultaion)
b)
Non-random mating
c)
Gene flow
d)
Mutations
70.

All of the genetic information found in a population.

a)

population

b)

genetic drift

c)

evolution

d)

gene pool

71.
Gene Flow tends to ___________ genetic variation (diversity)
a)
Increase
b)
Decrease
c)
Stabilize
d)
Exaggerate 
72.
Which of the following is NOT an example of natural selection? 
a)
People selectively breeding hamsters.
b)
Insect populations developing resistance to certain pesticides.
c)
Bacteria becoming resistant to antibiotics.
d)
Male birds of certain species developing colorful feathers to attract female mates.
73.
Which of the following is an example of the founder effect?
a)
Bald Eagles are hunted until near extinction, population recovers.
b)
Small group of iguanas floats to an island, starts a new population.
c)
Red fox pups are more likely to survive in a snowy environment if they are born white.
d)
Farmer chooses seeds from largest apples to plant next year.  This results in larger apples from year to year.
74.

Bats are common in Texas, especially in rocky regions. Bats with longer hang claws have demonstrated higher fitness because of their ability to cling to rock while resting. This adaptation is becoming more frequent in the population. What mechanism of evolution is this?

a)

Natural Selection

b)

Non-random mating

c)

Gene Flow

d)

Genetic Drift

75.

The formation of a new species is called

a)

Natural selection

b)

Struggle for existence

c)

Speciation

d)

Darwinism

76.

A new river forms and splits two populations, causing ______________ speciation

a)

Sympatric

b)

Allopatric

c)

Extreme

d)

Convergent

77.

The emergence of a mountain range is an event that would lead to _______________ speciation

a)

Allopatric

b)

Sympatric

c)

Temporal

d)

Behavioral

78.

The emergence of new rivers or streams is a type of ____________ isolation.

a)

Temporal

b)

Mechanical

c)

Behavioral

d)

Geographic

79.

When the Grand Canyon in Arizona formed, two populations of one squirrel species were separated by the giant canyon. This is an example of _____________ speciation.

a)

Allopatric

b)

Sympatric

c)

Simple

d)

Divergent

80.

Different finch populations lived on separate islands with different environments. They evolved to best adapt to those particular environments and can no longer mate. What type of speciation is this?

a)

Allopatric

b)

Sympatric

c)

Temporal

d)

Mechanical

81.

There are two main ways that speciation happens naturally. Both processes create new species by reproductively isolating populations of the same species from each other. What are these two types of isolation?

a)

geographical and behavioral

b)

geographical and complex

c)

behavioral and complex

d)

locational and geographical

82.
The death of every member of a species.
a)
Competition
b)
Population
c)
Extinction
d)
Evidence
83.

In which type of interaction does one animal eat another for energy and nutrients?

a)

Competition

b)

Parasitism

c)

Predation

d)

Mutualism

84.

Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails. Which interaction is this?

a)

Parasitism

b)

Mutualism

c)

Commensalism

d)

Competition

85.

Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see. What type of interaction is this?

a)

Parasitism

b)

Mutualism

c)

Commensalism

d)

Competition

86.

Mistletoe extracts water and nutrients from the spruce tree to the trees detriment (causing harm). What type of interaction is this?

a)

Parasitism

b)

Competition

c)

Commensalism

d)

Mutualism

87.

Sloth's and monkeys share the same tropical habitat. Deforestation is occurring limiting the space for these 2 species. What will now occur between the 2 species?

a)

Mutalism

b)

Commensalism

c)

Predation

d)

Competition

88.

Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. This is an example of

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

89.

Rabbits and deer eat lettuce leaves from a garden.

What ecological interaction describes the relationship between rabbits and deer?

a)

Mutualism

b)

Competition

c)

Commensalism

d)

Predation

90.
 The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.
a)
parasitism
b)
commensalism
c)
mutualism
91.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
92.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
93.
Which symbols best describe commensalism?
a)
+,+
b)
+,-
c)
+,0
d)
0,0
94.
A close, long-term relationship in which 2 different organisms live in close association with each other. 
a)
Carrying Capacity
b)
Coexistence
c)
Limiting Factor
d)
Symbiosis
95.

Fleas living within a mammal's fur describes this type of relationship:

a)

Competition

b)

Mutualism

c)

Predation

d)

Parasitism

96.

Parasites and predators help maintain ecosystem stability because...

a)

They increase the population of all organisms so ecosystems become diverse

b)

They decrease the population of certain organisms to ensure no species overpopulates

c)

They increase the survival of all species

d)

Any of the above are possible

97.
In this picture of parasitism, the dog is the __________________________
a)
host
b)
parasite
98.

This type of interaction occurs when 2 organisms live closely together for survival.

a)

Symbiosis

b)

Competition

c)

Predation

d)

Cymbalosis

99.

_______ occurs when two organisms are trying to acquire or get the same resources.

a)

Symbiosis

b)

Competition

c)

Predation

d)

Collaboration

100.

_______ occurs when 1 organisms kills and eats another for food.

a)

Symbiosis

b)

Competition

c)

Predation

d)

Collaboration

101.

A lion kills and eats a zebra. This is an example of

a)

Symbiosis

b)

Competition

c)

Predation

102.

Two male deer fight over a female. This is an example of

a)

Symbiosis

b)

competition

c)

predation

103.

The Gobi fish and shrimp live closely together. The nearly blind shrimp keeps a burrow for it and the Gobi fish to live. The Gobi warns the shrimp of predators. The shrimp lets the fish live in the burrow. This is an example of

a)

mutualism

b)

commensalism

c)

parasitism

104.

Hermit crabs use the shells of dead snails for homes. What type of interaction is this?

a)

mutualism

b)

commensalism

c)

parasitism

105.

Tapeworms enter the body of their host. They live by taking nutrients from the host organism. This is an example of

a)

mutualism

b)

commensalism

c)

parasitism

106.

A type of symbiosis in which both species benefit is called...

a)

mutualism

b)

commensalism

c)

parasitism

107.

A type of symbiosis in which one species benefits and the other is not affected is...

a)

mutualism

b)

commensalism

c)

parasitism

108.

A type of symbiosis in which one species benefits and the other is harmed or killed...

a)

mutualism

b)

commensalism

c)

parasitism

109.

The top predator in an ecosystem

a)

Apex Predator

b)

Prey

c)

Producer

d)

Primary consumer

110.

An organism that can make its own food using chemosynthesis or photosynthesis.

a)

Producer

b)

Consumer

c)

Predator

d)

Omnivore

111.

An organism that obtains energy by feeding on other organisms

a)

Consumer

b)

Producer

c)

Autotroph

d)

Prey

112.

Each step in a food chain or food web

a)

Trophic level

b)

Adaptations

c)

Link

d)

Ecological pyramid

113.

Name the Trophic Levels

a)

Producers

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

e)

Quaternary Consumer

114.

The total mass of living tissue within a trophic level

a)

Biomass

b)

Trophic levels

c)

Ecological pyramid

d)

Biomagnification

115.

A diagram that shows the biomass of organisms at each trophic level

a)

Ecological pyradmid

b)

Food chain

c)

Food web

d)

Carnivores

116.

The organisms that eat producers are called.....

a)

Primary consumers

b)

Producers

c)

Secondary consumers

d)

Tertiary consumers

117.

The organisms that eat the secondary consumers are called.....

a)

Producers

b)

Tertiary consumers

c)

Secondary consumers

d)

Primary consumers

118.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
119.
How many herbivores are in this web?
a)
1
b)
2
c)
3
d)
4
120.

What is this called?

a)

Food Web

b)

Food Chain

c)

Trophic Level

121.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
122.
What are "trophic levels"?
a)
Levels in a food web/food chain
b)
Levels of land in a mountain
c)
Animal diets
123.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
124.

How is a food web different from a food chain?

a)

Foods webs contain only producers, not consumers.

b)

Food webs do not include decomposers.

c)

Food webs contain many different,linked food chains.

d)

Food webs exist in aquatic environment;food chain exist in terrestrial environment

125.

How are primary consumers different from secondary consumers?

a)

Primary consumers eat only plants;secondary consumers eat other consumers.

b)

Primary consumers eat other consumers;secondary consumers eat only plants.

c)

primary consumers eat plants and other consumer;secondary consumers eat plants and decompose matter

d)

Primary consumers eat plants and decompose matter ;secondary consumers consumers eat plants and other consumers.

126.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
127.

Which level of an energy pyramid has the largest populations of organisms?

a)

Producers

b)

Primary Consumers

c)

Secondary consumers

d)

Tertiary Consumers

128.

If a keystone species is removed from an ecosystem, it can destroy the balance of that ecosystem.

a)

True

b)

False

129.

True or False? In an ecosystem, energy is transferred between species when one species eats another species.

a)

True

b)

False

130.

In a healthy ecosystem, which trophic level should have the most energy?

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

131.

If the mouse population becomes sick and decreases, which statement about the food web will be true?

a)

The grass population will decrease.

b)

The hawk population will increase.

c)

The grass population will increase.

d)

The wildflower population will decrease.

132.

True or False? There cannot be more than one keystone species in an ecosystem.

a)

True

b)

False

133.

In a food web, the process of __________ returns any remaining energy to the soil.

a)

decomposition

b)

respiration

c)

digestion

d)

ingestion

134.

At each trophic level, energy is lost as heat from metabolic processes. How much energy is transferred from one trophic level to the next?

a)

5% of energy is transferred to the next level.

b)

10% of energy is transferred to the next level.

c)

15% of energy is transferred to the next level.

d)

20% of energy is transferred to the next level.

135.
When a community is stable and balanced it is in...
a)
Equilibrium
b)
Disequilibrium
136.
A predictable series of change overtime in a community is...
a)
Secondary
b)
Climax Community
c)
Succession
d)
Pioneer Species
137.
Which one is NOT a type of succession?
a)
Primary Succession
b)
Secondary Succession
c)
Triad Succesion
138.
Which succession happens when a series of disturbances occurs but some of the original vegetation (plants) and soil still remains?
a)
Primary Succession
b)
Secondary Succession
139.
Which succession occurs when there are a series of disturbances where NO vegetation (plants) or original soil remains
a)
Primary Succession
b)
Secondary Succession
140.
Which one of these does NOT cause a primary succession?
a)
Lava spreads over land
b)
Lakes dry up
c)
Glaciers retreat/melt
d)
The wind blows hard
141.
What is a species that comes in after a primary succession and colonizes (restarts) the community?
a)
Native Species
b)
Pioneer Species
c)
Colonial Species
d)
Starter Species
142.
Which type of succession grows back faster because some of the vegetation (plants) and soil still remains?
a)
Primary Succession
b)
Secondary Succession
143.
What is it called when a community completes the succession process (grows back)?
a)
Pioneer Species
b)
Primary Succession
c)
Climax Community
d)
Secondary Succession
144.
After a succession, is it guaranteed that the community will get back to a climax community (grow back)?
a)
Yes
b)
No
145.
A species that is brought into an area from another area in the world and takes over is an...
a)
Pioneer Species
b)
Invasive Species
146.
Invasive species...
a)
Grow quickly
b)
Die out quickly
147.
Invasive species are a problem when...
a)
Limiting factors are present (not enough food for the native species)
b)
There are no limiting factors (lots of food for the native species)
148.
When invasive species take over, native species (the things that were there before them)...
a)
Grow more
b)
Die out
149.

A species that is very sensitive to environmental changes and can help humans identify if the habitat is suffering.

a)

indicator

b)

umbrella

c)

predator

d)

mutualist

150.

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

151.

How did the absence of wolves in Yellowstone National Park affect the behavior of elk?

a)

Elk became more cautious and nomadic

b)

Elk became less cautious and settled in one place

c)

Elk started hunting wolves

d)

Elk migrated to a different habitat

152.

What happened to the grey wolf population in Yellowstone National Park in the early 1930s?

a)

Their numbers increased significantly

b)

Their numbers remained stable

c)

Their numbers dropped to zero

d)

Their numbers doubled

153.

What happened to the trees and plants in Yellowstone National Park when the elk population increased?

a)

The trees and plants flourished

b)

The trees and plants declined

c)

The trees and plants remained the same

d)

The trees and plants migrated to a different area

154.
A natural resource that is naturally formed much more slowly than we use it is called __________
a)
renewable
b)
nonrenewable
c)
ecological
d)
stustainable
155.
Which of the following is an example of a nonrenewable natural resource?
a)
wind energy
b)
sunlight
c)
natural gas
d)
geothermal energy
156.
Which one of the following environmental issues is the primary cause of the others?
a)
Increasing resource use
b)
Destruction of habitat
c)
Premature extinction
d)
Human population growth
157.

Which of the following natural resources is nonrenewable?

a)

Petroleum

b)

Sunlight

c)

Wind

d)

Trees

158.

Which one is a limited renewable resource?

a)

coal

b)

animals

c)

sunlight

d)

natural gas

159.

Which one is a completely renewable resource?

a)

Oil

b)

Sunlight

c)

Coal

d)

Fresh water

160.

Which of the following is a nonrenewable resource?

a)

Trees

b)

Sun

c)

Coal

d)

Wind

161.

Wind is a __________ energy resource.

a)

Renewable

b)

Nonrenewable

162.

All of the surroundings that affect living things.

a)

environment

b)

observation

c)

inference

d)

natural resources

163.

The study of the environment is called:

a)

biology

b)

chemistry

c)

environmental science

d)

geology

164.

Cannot be used over and over because it takes so long for nature to make.

a)

nonrenewable

b)

limited renewable

c)

completely renewable

165.

Can be used over and over. Will always be there for us.

a)

completely renewable

b)

limited renewable

c)

nonrenewable

166.

Renews in a short time. We must be careful how we use it.

a)

completely renewable

b)

limited renewable

c)

nonrenewable

167.
Which of these is not an example of a commons?
a)
Aquifers
b)
The ocean
c)
Privately owned farms
d)
Highways
168.
What is the definition of ecological footprint?
a)
is the footprint of ecologist
b)
is a measure of the impact living things have on the environment.
c)
is a kind of plant that grows in the rainforrest.
d)
a measure of the impact humans have on the environment.
169.
True or false: As populations grow, the tragedy of the commons will become more of a problem.
a)
True
b)
False
170.

What are considered "the commons"

a)

Common house hold items like knifes, spoons, and forks.

b)

A renewable resource owned by no one and available for use by anyone at little or no charge

c)

A field where college students can sit outside in between classes

171.

The "Tragedy of The Commons" is...

a)

An economic issue where people do not have enough money to buy basic needs so they resort to stealing and breaking the law.

b)

A type of play where someone tragically dies or gets killed.

c)

Economic issue where individuals tend to take advantage of the natural resource and it becomes unavailable for everyone.

172.

Sustainability

a)

The process of maintaining resources so they are not depleted or permanently damaged.

b)

The ability to read minds

c)

The ability to save resources for years and years

173.

Unsustainable

a)

When resources can never be replenished again.

b)

When resources are used or depleted faster than they can be replenished.

c)

When you are not mentally stable.

174.

What is overgrazing?

a)

When cows eat so much they get sick and throw up

b)

When a section of land is used for extended periods of time, or without sufficient recovery periods.

c)

When horses eat too much grass

175.

What is a negative consequence of overgrazing?

a)

vegetation or grass is damaged and the ground can no longer be used for feeding or agriculture.

b)

your animals cannot graze for one day

c)

your animals get sick

176.

What is overfishing?

a)

The removal of bad fish from a environment

b)

The removal of fish/ species of fish from a body of water at a rate that the species can not replenish in time.

c)

The removal of dead fish from a body of water

177.

What is one negative consequence oversfishing can lead to?

a)

Fish can grow two heads

b)

Fish species can adapt in order to escape fishermen

c)

Fish species can either become depleted or very underpopulated in that given area.

178.

True or False: "Tragedy of The Commons" also relates to people putting harmful producs into our waterways?

a)

TRUE

b)

FALSE

179.

TRUE or FALSE: The government offering companies a tax break if they use green alternatives is one way to help limit greenhouse gas emissions .

a)

TRUE

b)

FALSE

180.

Which of the following are both examples of the tragedy of the commons?

a)

Overfishing and earthquakes

b)

Flooding and tsunamis

c)

Pollution and overpopulation

d)

Super-germs and virus outbreaks

181.

This sphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts.

a)

Hydrosphere

b)

Biosphere

c)

Atmosphere

d)

Geosphere

182.

Made up of all the water on or near the earth

a)

Hydrosphere

b)

Biosphere

c)

Atmosphere

d)

Geosphere

183.

This sphere is composed of all the living things

a)

Hydrosphere

b)

Biosphere

c)

Atmosphere

d)

Geosphere

184.

The body of air surrounding our planet

a)

Hydrosphere

b)

Biosphere

c)

Atmosphere

d)

Geosphere

185.
Water evaporating from the surface of a lake moves from the...
a)
Atmosphere to the geosphere 
b)
Geosphere to the hydrosphere 
c)
Hydrosphere to the atmosphere 
d)
Atmosphere to the hydrosphere 
186.

When living things breathe, they interact with which of Earth's spheres?

a)

Geosphere

b)

Hydrosphere

c)

Atmosphere

d)

Biosphere

187.

Oceans, rivers, lakes, and clouds are all part of which of Earth's spheres?

a)

Hydrosphere

b)

Biosphere

c)

Atmosphere

d)

Geosphere

188.

When a plants takes carbon dioxide from the air which two spheres are interacting?

a)

Biosphere and atmosphere

b)

Geosphere and atmosphere

c)

Hydrosphere and atmosphere

d)

Atmosphere and atmosphere

189.
When plants draw nutrients from the soil, the interaction is between which two spheres? 
a)
The atmosphere and the geosphere 
b)
The geosphere and the hydrosphere 
c)
The hydrosphere and atmosphere 
d)
The biosphere and the geosphere 
190.
The hydrosphere interacts with the biosphere by providing __________ to life.
a)
nutrients
b)
water
c)
soil
d)
lightning
191.
All of the following are examples of the biosphere except
a)
plants
b)
animals
c)
bacteria
d)
air
192.
The cryosphere includes all but
a)
ice
b)
snow
c)
liquid water
d)
permafrost
193.

To which sphere does the earth's core belong?

a)

Hydrosphere

b)

Biosphere

c)

Geosphere

d)

Atmosphere

194.
Which of these answers describes Earth’s atmosphere?
a)
all living and once-living things
b)
the mixture of gases that surrounds Earth
c)
a mixture of nickel and iron below the mantle
d)
all the salt and fresh liquid water on Earth’s surface
195.

Which of following is an example of the Biosphere?

a)

Desks

b)

Clouds

c)

River water

d)

Grass

196.

The prefix "bio" comes from a Greek word that means what?

a)

Life

b)

Water

c)

Earth

d)

Ground

197.

Which of the following is found in the earths Geosphere

a)

Soil

b)

Rocks

c)

Minerals

d)

All of the Above

198.
Hydro = 
a)
Sphere
b)
Earth
c)
Life
d)
Water
199.
Geo = 
a)
Earth
b)
Sphere
c)
Life
d)
Water
200.
The Four Spheres of Earth
a)
are all connected
b)
have nothing to do with one another
c)
exist on Venus and Mars
d)
don't affect human life
201.
all living and nonliving things in nature
a)
biodiversity
b)
built environment
c)
natural environment
d)
sustainable society
202.
The ______ was the time period when humans began to farm and raise animals.
a)
hunter-gathering period
b)
Industrial Revolution
c)
Agricultural Revolution
203.
The ______ was the time when humans started using machines to produce goods.
a)
scientific period
b)
Agricultural Revolution
c)
Industrial Revolution
204.

A group of individuals belonging to the same species living in the same general area at the same time.

a)

population

b)

community

c)

ecosystem

d)

biosphere

205.

Study of populations in relation to environment, including environmental influences on density and distribution, age structure, and population size.

a)

population ecology

b)

community ecology

c)

ecosystem ecology

d)

biosphere ecology

206.

Number of individuals per unit area or volume.

a)

denisty

b)

dispersion

c)

survivorship

d)

immigration

207.

The pattern of spacing among individuals within the boundaries of the population.

a)

dispersion

b)

density

c)

immigration

d)

survivorship

208.

New individuals move into a population.

a)

immigration

b)

emigration

c)

migration

d)

survivorship

209.

When individuals in a population move out or away.

a)

emigration

b)

immigration

c)

migration

d)

dispersion

210.

A good way to estimate the population size.

a)

mark-recapture

b)

count everyone of them

c)

satellites

d)

cameras

211.

Processes that add individuals to a population.

a)

birth and immigration

b)

death and emigration

212.

Processes that remove individuals from a population.

a)

death and emigration

b)

birth and immigration

213.

Individuals gather in patches, influenced by resource availability and behavior.

a)

clumped dispersion

b)

random dispersion

c)

uniform dispersion

d)

isolated dispersion

214.

Individuals are evenly distributed, influenced by interactions between organisms in the population.

a)

uniform dispersion

b)

random dispersion

c)

clumped dispersion

d)

isolated dispersion

215.

Position of each individual is independent of other individuals, occurs in the absence of strong attractions or repulsion's.

a)

random dispersion

b)

clumped dispersion

c)

uniform dispersion

d)

isolated dispersion

216.

A graphic way of representing the data in a life table.

a)

survivorship curve

b)

exponential growth curve

c)

logistic growth curve

d)

lag phase

217.

How many types of survivorship curves are there?

a)

1

b)

2

c)

3

d)

4

218.

Survivorship curve represented with low death rates during early and middle life, then an increase among older age groups, a good example are humans.

a)

type I

b)

type II

c)

type III

d)

type IV

219.

Survivorship curve represented by a death rate that is constant over organism’s life span, squirrels and songbirds are good examples.

a)

type I

b)

type II

c)

type III

d)

type IV

220.

Survivorship curve represented by high death rates for the young, then a slower death rate for survivors, good examples are fish and frogs.

a)

type I

b)

type II

c)

type III

d)

type IV