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Unit 1 Environmental science

Total questions: 183

Worksheet time: 2hrs 17mins

Name
Class
Date
1.

What is a population?

a)

One individual member of a species

b)

a group of individuals of the same species that live in the same area

c)

a community of different species and their environment

2.

Which is an example of an ecosystem?

a)

An area of cold climate and communities of different species

b)

one elk

c)

a group of elks living together in the same area

d)

elks, snow rabbits, and owls living in the same area

3.

Which definition best fits the term BIOTIC?

a)

The study of the interactions between animals and their environment

b)

Factors in the environment that are considered not alive

c)

Factors in the environment that are considered living or the remains of living things

4.

One species benefits, the other is unaffected

a)

symbiosis

b)

parasitism

c)

mutualism

d)

commensalism

5.

Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Then, the honey guide birds eat as well.

a)

symbiosis

b)

parasitism

c)

mutualism

d)

commensalism

6.

Tapeworms reside in human intestine and take nutrients from the human

a)

symbiosis

b)

parasitism

c)

mutualism

d)

commensalism

7.

Vines grow on a tree. The vines get light but the tree is not affected. What kind of relationship is this?

a)

Competition

b)

Mutualism

c)

Commensalism

d)

Parasitism

8.
An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:
a)

Predator

b)

Autotroph

c)

Producer

d)

Decomposer

9.

The ecological role an organism performs in their specific environment is considered the organism's...

a)

Habitat

b)

Population

c)

Biome

d)

Niche

10.
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.

11.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
12.

The populations of which organisms will most likely increase as a result of a disease that suddenly reduced the population of Texas horned lizards?

a)

Grasses and ants

b)

Ants and grasshoppers

c)

Grasshoppers and Texas Cottonmouths

d)

Texas cottonmouths and red shouldered hawks

13.
What are plants called in a food chain?
a)

Producers /Autotrophs

b)

Consumers /Heterotrophs

c)

Decomposers

d)

Scavengers

14.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
15.

Why might an organism have more than one arrow coming FROM them in a food web?

a)

More than one organism may eat them.

b)

They may eat more than one other organism.

c)

This organism gets its energy from multiple sources.

16.
What is missing from this food chain?
Grass > Grasshopper > Bird > Snake
a)
Producer
b)
Primary Consumer
c)
Secondary Consumer
d)
Decomposer
17.

Match the following

a)

Decomposer

1.

This is an organism that breaks down and gains nutrients from dead organisms.

b)

Predator

2.

This is an animal that lives by preying on other animals.

c)

Producer

3.

This is an organism that supplies matter and energy, also known as an autotroph.

d)

Consumer

4.

This is an organism that relies on other organisms for its food and energy supply; heterotroph

e)

Parasite

5.

This is an organism which feeds on, but usually does not kill, a larger organism

18.

What happens to the amount of available energy in the pyramid as it moves up through the different levels?

a)

it increases

b)

it decreases

c)

it remains the same

19.

In any food web, the organisms that are responsible for converting raw energy into usable chemical energy are collectively called ________ while organisms that recycle the nutrients trapped in dead organisms are collectively called ________.

a)

producers;consumers

b)

producers; decomposers

c)

consumers; decomposers

20.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
21.
All living things get their energy from which of the following sources?
a)
food
b)
water
c)
sun
22.
Which of the following is another word for a plant?
a)
autotroph
b)
heterotroph
c)
consumer
23.
Which of the following is an organism that eats only meat?
a)
herbivore
b)
carnivore
c)
omnivore
24.
Which of the following terms describes an area where an organism lives?
a)
community
b)
habitat
c)
area
25.
Which is represented by all of the bullfrogs living around a pond?
a)
community
b)
habitat
c)
population
26.
What would most likely happen if the rabbit population was removed from the food chain grass —› rabbit —› fox?
a)
their would be more grass
b)
there would be less rabbits
c)
there would be more fox
27.
Which is an example of a parasitic relationship?
a)
a bee pollinates a flower
b)
a tapeworm takes nutrients from a dog
c)
an orchid lives in a tree but does not harm the tree
28.
In which type of relationship do both species benefit?
a)
parasitism
b)
mutualism
c)
commensalism
29.
Barnacles grow on whales.  Whales give the barnacles a place to live but the barnacles do not help or harm the whale.  Which type of relationship is this?
a)
commensalism
b)
mutualism
c)
parasitiesm
30.
An oxpecker bird eats ticks off of a zebra.  The bird gets food from eating the ticks and the zebra has harmful parasites removed.  Which type of symbiosis is this?
a)
mutualism
b)
parasitism
c)
commensalism
31.

All food webs and food chains begin with _________________.

a)

primary consumer

b)

producers

c)

secondary consumers

d)

tertiary consumers

32.
In this energy pyramid, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
33.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
34.

In an ecological pyramid, which type of organism always has the least amount of energy available?

a)

Producers

b)

Herbivores

c)

Carnivores

d)

Apex Predator

35.

If there are 100 Kcal of energy available in the producers, how much energy would be available in the primary consumers?

a)

10 Kcal

b)

1 Kcal

c)

100 Kcal

d)

1000 Kcal

36.
In this ecological pyramid which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
37.

Which organism is the carnivore?

a)
b)
c)
d)
38.

Which organism is the omnivore?

a)
b)
c)
d)
39.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
40.

Which organism do the owl and the weasel compete for in the food web?

a)

Hawk

b)

Spider

c)

Grasshopper

d)

Shrew

41.
In a food web, arrows point at:
a)
who gets energy.
b)
who gets eaten.
42.
An organism that eats the secondary consumer.
a)
Primary Consumer
b)
Secondary Consumer
c)
Tertiary Consumer
d)
Consumer
43.
Organisms which carry out the process of decomposition by breaking down dead or decaying organisms.
a)
Consumer
b)
Producer
c)
Decomposer
d)
Herbivore
44.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True 
b)
False
45.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
46.
Who does the grasshopper get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
47.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
48.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
49.

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 consumers; secondary consumers eat plants and decompose matter.

d)

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

50.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
51.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
52.
What do Omnivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
53.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
54.
What do Carnivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
55.
Who does the owl get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
56.
Who is the producer in this food chain? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
57.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
58.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
59.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
60.
In a food web, arrows point at:
a)
who gets energy.
b)
who gets eaten.
61.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a ecosystem.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
62.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
63.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
64.
In this energy pyramid, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
65.
All food webs and food chains begin with _________________.
a)
primary consumer
b)
producers
c)
secondary consumers
d)
predators
66.
This diagram shows the amount of energy that moves from one feeding level to another.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
67.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain organisms that do photosynthesis?
a)
A
b)
B
c)
C
d)
D
68.
A tertiary consumer has to be which type?
a)
Carnivore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
69.
The number of organisms _________ with each successive (higher) trophic level. 
a)
increases
b)
decreases
70.

Scientists discover a new species of tree that is adapted well for a cold environment with a moderate amount of rainfall. In which biome would this new species most likely be found?

a)

deciduous forest

b)

tropical forest

c)

tundra

d)

taiga

71.

The desert receives about as much rainfall as the

a)

tundra

b)

tropical forest

c)

grassland

d)

taiga

72.

Which biome has the greatest diversity of living things?

a)

tundra

b)

taiga

c)

tropical forest

d)

deciduous forest

73.

Most of the world’s rain forests are found close to the

a)

Arctic circle

b)

equator

c)

Antarctic

d)

desert

74.

Which of the following is true of the taiga but NOT the tundra?

a)

The tundra has many species of reptiles.

b)

Elk and caribou often migrate to the tundra at different times of the year.

c)

It is often called the coniferous forest because of the conical trees there.

d)

The subsoil is referred to as permafrost because it is frozen solid all year.

75.

Grasslands are characterized by low amounts of rainfall, few trees, and lots of grass. Which of the following would be the primary inhabitants of the grasslands?

a)

Tree-dwelling primates

b)

Thick-furred mammals

c)

Large herbivores

d)

Water-conserving plants

76.

The temperate forest is a type of terrestrial biome.

Which of the following are characteristic of a temperate forest?

a)

Elk and caribou migrating during the early summer to graze on lichen and grasses.

b)

Warm weather, plentiful rain, and diverse plant and animal life

c)

Cold winters, short summers, and frozen subsoil, even in the summer

d)

Warm summers, cold winters, squirrels, and deciduous trees

77.

A new species of animal that can tolerate drought has been found. These animals graze in herds and like grasses with high silica content.


Which biome does this animal MOST LIKELY inhabit?

a)

taiga

b)

savanna

c)

temperate deciduous forest

d)

desert

78.

Which biome is the driest?

a)

Desert

b)

Tundra

c)

Taiga

d)

Rainforest

79.

Which Biome has permafrost?

a)

Temperate Forest

b)

Rainforest

c)

Taiga

d)

Tundra

80.
Is sunlight an abiotic or biotic factor? 
a)
abiotic
b)
biotic
81.
What is the average, year-to-year conditions of weather in an area?
a)
Biome
b)
Air Mass
c)
Climate
d)
Precipitation
82.
 As you travel from the North Pole toward the equator, you would expect to see
a)
tropical rain forests, then deserts, then taiga.
b)
temperate deciduous forests, then taiga, then tropical rain forests.
c)
tundra, then grasslands, then tropical rain forests.
d)
taiga, then desert, then tundra.
83.
What kind of soil is found in the desert?
a)
humus
b)
sand
c)
dirt
d)
flowers
84.

The most important abiotic factors when studying biomes are...

a)

Food and Water

b)

Water and Sunlight

c)

Temperature and Oxygen

d)

Water and Temperature

85.
Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
a)
taiga
b)
tundra
c)
deciduous forest
d)
grassland
86.
Which biome covers most of the land mass near the Earth's equator?
a)
tundra
b)
desert
c)
grassland
d)
tropical rainforest
87.
What is the main factor that separates the biomes?
a)
Land
b)
Water
c)
Climate
d)
Longitude
88.
The tropical savanna & temperate grassland are both types of grasslands. What differentiates them is the fact that
a)
the savanna is hotter
b)
the savanna is cooler
c)
the grassland is hotter
d)
the grassland receives much more precipitation
89.
Terrestrial biomes are defined mainly by their
a)
climate & plants
b)
climate & animals
c)
animals & plants
d)
climate only
90.
The most biodiverse biome is: 
a)
Taiga
b)
Chaparral
c)
Savanna
d)
Tropical Rainforest
91.

The landscape of the tundra is characterized by having no trees. Why do you think there are no trees or other large plants in the tundra?

a)

Because of the permanently frozen ground, cold temperatures & short growing season

b)

Because it is too hot for part of the year

c)

Because it gets far too much precipitation

d)

none of these

92.
A large region characterized by its climate and organisms.
a)
biome
b)
ecosystem
c)
community
d)
population
93.
This biome is covered in coniferous forests.
a)
taiga
b)
tundra
c)
temperate rain forest
d)
deciduous forest
94.
This biome has trees with leaves that change color and fall off each year.
a)
taiga
b)
tundra
c)
temperate rain forest
d)
deciduous forest
95.
This biome's temperature is very cold at night and then extremely hot in the day.
a)
tropical rain forest
b)
temperate rain forest
c)
chaparral
d)
desert
96.
This biome's four seasons are very distinct.
a)
tropical rain forest
b)
temperate rain forest
c)
deciduous forest
d)
grasslands
97.

Tropical grasslands are also known as

a)

Prairies

b)

Savannas

c)

Rain lands

98.

Which two terrestrial biomes receive the least amount of precipitation?

a)

tundra and taiga

b)

tundra and desert

c)

desert and taiga

d)

desert and grassland

99.

Which biome is located in the eastern third of the US, most of Europe, and Japan?

a)

tundra

b)

taiga

c)

grassland

d)

temperate deciduous forest

100.

Which biome lacks trees due to its high winds, low amount of precipitation, and permanently frozen subsoil?

a)

tundra

b)

taiga

c)

grassland

d)

desert

101.

Which biome is home to large, grazing herbivores and ground-nesting birds?

a)

Tundra

b)

Taiga

c)

Grassland

d)

Desert

102.
The biome pictured is
a)
shrubland/chaparral
b)
tropical savanna
c)
temperate deciduous forest
d)
desert
103.
The biome pictured is
a)
desert
b)
tundra
c)
temperate grassland
d)
boreal forest
104.
The biome pictured is
a)
tropical rain forest
b)
temperate deciduous forest
c)
temperate rain forest
d)
tropical seasonal forest
105.
The biome pictured is
a)
tundra
b)
desert
c)
tropical savanna
d)
temperate grassland
106.
The biome pictured is
a)
temperate grassland
b)
temperate deciduous forest
c)
desert
d)
tundra
107.
The biome pictured is
a)
boreal forest
b)
temperate deciduous forest
c)
tropical rain forest
d)
temperate rain forest
108.

The biome pictured is

a)

desert

b)

savanna

c)

tropical seasonal forest

d)

boreal forest

109.

What are the 2 types of aquatic biomes?

a)

rivers and streams

b)

lakes and oceans

c)

marine and fresh water

d)

marine and oceanic

110.

What are the 2 types of aquatic biomes?

a)

rivers and streams

b)

lakes and oceans

c)

marine and fresh water

d)

marine and oceanic

111.

The kind of wetland formed where saltwater and fresh water meet is called

a)

brujeria

b)

estuary

c)

swamp

d)

marsh

112.
Which of these is NOT a freshwater biome?
a)
coral reef
b)
flowing water
c)
wetlands
d)
ponds and lakes
113.
Which of these is NOT a marine biome?
a)
open ocean
b)
deep ocean floor
c)
seashore
d)
wetlands
114.
Which biome is pictured below?
a)
ocean
b)
freshwater
c)
coral reef 
d)
wetland
115.

Wetland dominated by small trees and woody shrubs

a)

benthic zone

b)

glade

c)

marsh

d)

swamp

116.

These man-made structures are a threat to river ecosystems

a)

dams

b)

satellites

c)

solar panels

d)

none of these

117.

The area of an aquatic ecosystem that is near shallow, near shore, & has an abundance of sunlight & wildlife

a)

benthic zone

b)

littoral zone

c)

limnetic zone

d)

sunlight zone

118.

An ecosystem where water covers the soil or water is near the surface of the soil is called

a)

a desert

b)

an ocean

c)

an estuary

d)

a wetland

119.

What aquatic biome is characterized by flowing fresh water?

a)

Lakes/Ponds

b)

Mangroves Swamps

c)

Rivers/Streams

d)

Coral Reefs

120.

Adaptations in the river biome might include the ability to ___________

a)

ability to produce energy from sulfur

b)

excrete salt water

c)

resist a strong current

d)

conserve oxygen by not moving

121.

Decomposition is found during which of the following cycles?

Choose all the apply.

a)

Phosphorus

Cycle

b)

Carbon

Cycle

c)

Nitrogen

Cycle

d)

Water Cycle

122.

Decomposition is found during which of the following cycles?

Choose all the apply.

a)

Phosphorus

Cycle

b)

Carbon

Cycle

c)

Nitrogen

Cycle

d)

Water Cycle

123.

Nitrogen is found in which of the following:

a)

Fats

(lipids)

b)

Nucleic Acids

(DNA + RNA)

c)

Proteins

d)

Carbohydrates

(Sugar + Starch)

124.

Which of the following is evaporation of water from plants?

a)

Precipitation

b)

Nitrification

c)

Transpiration

d)

upllift

125.

The Phosphorus cycle is important because phosphorus is contained in

a)

sugars

b)

DNA

c)

proteins

d)

starches

126.

Carbon Dioxide (CO2) is released in which of the following processes?

a)

photosynthesis

b)

decomposition

c)

combustion

d)

cellular respiration

127.

In the carbon cycle, the only process that removes CO2 from the atmosphere is

a)

combustion

b)

cellular respiration

c)

decomposition

d)

photosynthesis

128.

The main way nitrogen is removed from the atmosphere and changed into a form plants can use is

a)

Nitrogen Fixation

b)

Nitrification

c)

Ammonification

d)

Denitrification

129.

Each process in the nitrogen cycle is carried out by

a)

bacteria

b)

mice

c)

cows

d)

plants

130.

Decomposers include which of the following?

a)

plants

b)

fungi

c)

bacteria

d)

algae

131.

Ammonification is the process by which decomposers convert wastes and dead organisms into ____.

a)

ammonium

NH4+

b)

Nitrate

NO3-

c)

Nitrite

NO2-

d)

nitrogen gas

N2

132.

Biogeochemical Cycles are important because

a)

matter in an ecosystem is finite and must be recycled

b)

living things need Nitrogen, Carbon, and Phosphorus to make the building blocks of cells

c)

they aren't important and it is a waste of time learning about them

d)

If matter didn't cycle, organisms would eventually run out of materials to build new cells

133.

Plants can take in Nitrogen directly from the air.

a)

TRUE

b)

FALSE

134.

Legumes are plants like beans, clover, and alfalfa that have bacteria living in nodules on their roots. These bacteria fix nitrogen into a form the plant can use and in return the bacteria get nutrients from the plant as well as a place to live.

This relationship can be best described as ____.

a)

Competition

b)

parasitism

c)

mutualism

d)

commensalism

135.

Which of the following are true of biogeochemical cycles?

a)

They ensure that nutrients are used only once by organisms.

b)

The create new materials to replace lost ones.

c)

They increase the total amount of matter over time.

d)

They can be affected by human activity.

136.

Which of the following is an example of how biogeochemical cycles are important in sustaining life?

a)

The atoms of water molecules are destroyed during a drought.

b)

Oxygen atoms are converted into carbon during cellular respiration.

c)

Nitrogen in wastes are converted into useable nutrients for other organisms.

d)

New carbon atoms are created during the carbon cycle.

137.

Identify the cycle pictured.

a)

The Water cycle

b)

The Carbon cycle

c)

The Nitrogen cycle

d)

The Phosphorus cycle.

138.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle.
139.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle
140.
Organisms that break down dead plants & animals and release nitrogen back into atmosphere...
a)
bacteria
b)
plants
c)
animals
d)
producers
141.

Too much phosphorus in waterways (rivers, lakes) can lead to___________.

a)

eutrophication

b)

Nothing

c)

Death

d)

diseases

142.

___ 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

143.

Primary succession occurs in an area that has:

a)

Has Soil

b)

Has No Soil

c)

Has Some Soil

d)

none of these

144.

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

145.

What is an example of an area that is likely to undergo primary succession?

a)

Glaciers melt and leave exposed rock

b)

Plants die from drought and decompose

c)

Land is bulldozed and soil remains

146.
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
147.
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
148.

After a volcanic eruption, volcanic rock is present (but no soil). Which of the following states the most likely order of succession that would be seen?

a)

Lichens → Shrubs → Grasses → Trees

b)

Lichens → tree → shrubs→Grasses

c)

Grasses → Lichens → Shrubs → Trees

d)

Lichens → Grasses → Shrubs → Trees

149.

Primary or secondary ecological succession?

a)
b)
150.
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
151.
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
152.
The organisms most likely to belong to the same species are
a)
all the birds in a forest
b)
people at a baseball game
c)
bacteria inside a horse's body
d)
organisms in the soil
153.
Which of the following best describes a population?
a)
all types of organisms living in the same place
b)
all the red birds in an area
c)
Some of the same species in the same area at the same time
d)
all members of the same species
154.
Which of these is not considered to be biotic?
a)
a living organism
b)
a dead organism
c)
organic waste
d)
a large rock
155.
Which of these is not considered to be abiotic?
a)
carbon dioxide
b)
a diamond
c)
sand
d)
E. coli bacteria
156.
A piece of iron is...
a)
biotic
b)
abiotic
157.
A dead anole lizard is...
a)
biotic
b)
abiotic
158.
All of the animals, plants, fungi, and microorganisms in a forest are a(n)...
a)
organism
b)
population
c)
community
d)
ecosystem
159.
The Sahara Desert is an example of a(n)...
a)
organism
b)
population
c)
community
d)
ecosystem
160.
A giraffe is an example f a(n)...
a)
organism
b)
population
c)
community
d)
ecosystem
161.
The black footed ferrets in a field in Nebraska are an example of a(n)...
a)
organism
b)
population
c)
community
d)
ecosystem
162.
The correct order of ecological organization from the smallest to the largest is _______________.
a)
organism, community, population, ecosystem, biosphere, biome
b)
biosphere, biome, ecosystem, community, population, organism
c)
organism, population, community, ecosystem, biome, biosphere
d)
population, organism, biosphere, community, ecosystem, biome
163.

Species that are clearly critical to the functioning of an ecosystem are known as

a)

biodiversity

b)

keystone species

c)

main species

d)

native species

164.

A species that is likely to become extinct if protective measures are not taken immediately is known as

a)

threatened species

b)

endemic species

c)

keystone species

d)

endangered species

165.

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

a)

tangential succession

b)

primary succession

c)

secondary succession

d)

quaternary succession

166.

A common type of succession that occurs where an event such as a forest fire has occurred, or a farmer's field has been abandoned is called

a)

common succession

b)

primary succession

c)

secondary succession

d)

Quaternary succession

167.

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.

168.

A community is

a)

Several different populations scattered across several states.

b)

Several different organisms in the same geographic area

c)

One type of organism in the same geographic area

d)

Several different populations in the same geographic area

169.

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

170.

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

171.

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

172.

Identified as in danger of extinction.

a)

endemic species

b)

endangered species

c)

exotic species

d)

native species

e)

indicator species

173.

Species that no longer exists.

a)

invasive species

b)

native species

c)

keystone species

d)

endangered species

e)

extinct species

174.

Species that is NOT native to a particular region.

a)

exotic species

b)

endangered species

c)

native species

d)

endemic species

e)

indicator species

175.

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

176.

The variety of organisms in a given area is called:

a)

a species

b)

a gene

c)

abiotic factors

d)

biodiversity

177.

What are some benefits of biodiversity?

a)

Clean air and water

b)

food

c)

medicine

d)

All of these

178.

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

a)

tropical rain forest

b)

desert

c)

tundra

d)

none of these

179.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
180.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
181.
Which organism in this food chain is a secondary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
182.
In this food pyramid, which level has the greatest amount of energy?
a)
Producers
b)
Primary Consumers
c)
Secondary Consumers
d)
Tertiary Consumers
183.
How much energy is passed from one trophic level to the next?
a)
1%
b)
10%
c)
50%
d)
100%

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