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Bio Ecology

Total questions: 150

Worksheet time: 7hrs 57mins

Name
Class
Date
1.
All these organisms share the same
a)
Biome
b)
Population
c)
Community
d)
Habitat
2.
Bacteria which convert nitrogen gas into bio-available forms of nitrogen, such as ammonia and nitrate, are known as _____
a)
De-nitrification bacteria 
b)
Nitrogen fixing bacteria
c)
Oxidizers
d)
Buffers
3.
Phosphorus is an essential nutrient for plants and animals because it is use to make _______
a)
Carbohydrates
b)
Glucose
c)
RNA / DNA
d)
Starches
4.
Fungi are a  ________
a)
Autotrophs
b)
Heterotroopers
c)
Decomposers
d)
Primary Consumers
5.
Which these organism below is a primary consumer?
a)
Fungi
b)
Snake
c)
Ladybug
d)
Blue Jay
6.
In the food chain below if the worm contains 6 calories of energy, how much energy is available to the turtle to grow, develop, and reproduce if it ingest 10 worms?
a)
0.06
b)
0.6
c)
6
d)
60
7.
An underground reservoir of water is known as ______
a)
An Estuary 
b)
An Aquifer
c)
Sublimation 
d)
Permafrost
8.
Soil and sediments is created by the physical and chemical ____________ of igneous rock. 
a)
Destabilization 
b)
Expansion
c)
Weathering 
d)
Sublimation 
9.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
10.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
11.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
12.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
13.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
14.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
15.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
16.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
17.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
18.
The area between the highest mountain and the deepest ocean where life can be found
a)
Biosphere
b)
Biome
c)
Farm
d)
Ecosystem
19.

What is the correct order for this food chain?

a)

Owl, Mouse, Grasshopper, Grass

b)

Grass, Mouse, Owl, Grasshopper

c)

Grass, Owl, Grasshopper, Mouse

d)

Grass, Grasshopper, Mouse, Owl

20.

Which of these organisms is the secondary consumer?

a)

Owl

b)

Mouse

c)

Grass

d)

Grasshopper

21.

Which of these organisms is the producer?

a)

Owl

b)

Mouse

c)

Grasshopper

d)

Grass

22.

What do herbivores eat?

a)

Animals

b)

Plants and Animals

c)

Plants

d)

Dead Animals

23.

What do omnivores eat?

a)

Animals

b)

Plants and Animals

c)

Plants

d)

Dead Animals

24.

Place the levels of environment in the correct order.

a)

biome, biosphere, population, organism, ecosystem,community

b)

organism, ecosystem, biosphere, population, community, biome

c)

organism, population, community, ecosystem, biome, biosphere

d)

population, community, organism, biome, ecosystem, biosphere

25.

What is the hawk in the food web?

a)

Producer

b)

Primary consumer

c)

Secondary consumer

d)

Tertiary consumer

26.

Which of these is an aquatic biome?

a)

Savanna

b)

Tropical Rainforest

c)

Marine

d)

Tundra

27.

How much energy is transferred between trophic levels?

a)

25%

b)

20%

c)

10%

d)

90%

28.

Which of these is an autotroph?

a)

Consumer

b)

Producer

c)

Decomposer

29.

Volcano erupting would be an example of what type of succession?

a)

Primary

b)

Secondary

c)

Tertiary

30.

What was NOT a part of the water cycle?

a)

Condensation

b)

Precipitation

c)

Decompostition

d)

Evaporation

31.

Group of the same species.

a)

Community

b)

Ecosystem

c)

Population

32.

All of the biotic and abiotic factors.

a)

community

b)

ecosystem

c)

population

33.
Series of steps in which organisms transfer energy by eating and being eaten
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
34.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
35.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
36.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
37.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
38.

What is the correct order for this food chain?

a)

Owl, Mouse, Grasshopper, Grass

b)

Grass, Mouse, Owl, Grasshopper

c)

Grass, Owl, Grasshopper, Mouse

d)

Grass, Grasshopper, Mouse, Owl

39.

Volcano erupting would be an example of what type of succession?

a)

Primary

b)

Secondary

c)

Tertiary

40.

All of the biotic and abiotic factors.

a)

community

b)

ecosystem

c)

population

41.

What are plants that convert energy from the sun called?

a)

decomposer

b)

primary consumer

c)

secondary consumer

d)

producer

42.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
43.
Which of the following illustrates the correct ordering of trophic levels?
a)
decomposers-carnivores-autotrophs-herbivores
b)
herbivores-autotrophs-carnivores-decomposers
c)
producers-herbivores-carnivores-decomposers
d)
carnivores-producers-omnivores
44.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
45.

What would happen within a few months after the formation of a volcanic island?

a)

pioneer species would grow

b)

no pioneer species would grow

c)

trees and large plants would grow

d)

rich, organic soil would be present

46.

Which organisms would be at the top or last trophic level?

a)

plant

b)

herbivore

c)

omnivore

d)

carnivore

47.

The monkey would be a

a)

decomposer

b)

producer

c)

primary consumer

d)

secondary consumer

48.

Which is an example of where primary succession could occur?

a)

a glacier melts and exposes new rocks

b)

natural fire burns a prairie

c)

a corn field is abandoned and left to overgrow

d)

flood covers a piece of land

49.

Mice might grow in population and destroy the community by eating all of the berry bushes if

a)

wolves and snakes were removed from the food web

b)

another predator migrated in to the community

c)

the snake population grew

d)

none of these

50.

These organisms are often not shown in a food chain, but are important for recycling nutrients

a)

producers

b)

decomposers

c)

primary consumers

d)

carnivores

51.

Which event would not cause secondary succession?

a)

forest fire

b)

flooding of a valley

c)

volcanic lava flow

d)

tornado

52.

A lion that eats a zebra that eats grass is a

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

d)

quaternary consumer

53.

90% of the energy that gets lost as you move up a food pyramid or chain gets lost as

a)

pollution to the environment

b)

heat to the environment

c)

energy for decomposers

d)

gets recycled

54.

What percentage of energy is passed on to the next trophic level?

a)

5%

b)

10%

c)

50%

d)

90%

55.
Study of interactions between organisms and their environment 
a)
niche
b)
community 
c)
ecology
d)
ecosystem
56.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
57.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
58.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
59.
Evaporation of water from the leaves of a plant gives of purified water to be evaporated.
a)
precipitation
b)
concentration
c)
transpiration
d)
evaporation
60.
Individuals that can breed with one another make up a
a)
species
b)
population
c)
community
d)
ecosystem
61.
Which is a reactant of photosynthesis?
a)
Oxygen
b)
Carbon Dioxide
c)
Nitrogen
d)
Glucose
62.
Which is a product of photosynthesis?
a)
Oxygen
b)
Carbon Dioxide
c)
Water
d)
Nitrogen
63.
Which is a reactant of cellular respiration?
a)
Carbon Dioxide
b)
Nitrogen
c)
Water
d)
Oxygen
64.
What do plants get from animals?
a)
carbon dioxide
b)
oxygen
c)
sugar
d)
emotional support
65.
Where do decomposers live?
a)
air
b)
in the soil
c)
only in a vacuum
d)
at the white house
66.
How does carbon get from plants to animals?
a)
through food
b)
in the air
c)
through water
d)
Fedex
67.
How does Carbon get from animals to plants?
a)
through food
b)
in the air
c)
through water
d)
UPS
68.
Which of the following is a resevoir or exchange pool for carbon?
a)
rocks
b)
ocean
c)
atmosphere
d)
all of these
69.
How is Nitrogen removed from the air and put into compound that living things can use?
a)
plants
b)
photosynthesis
c)
chemosynthesis
d)
nitrogen fixing bacteria
70.
What gas does burning things release into the atmosphere?
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
diethylchlorofloromethane
71.
What organism takes nitrogen from the air and puts it into molecules that plants can then use?
a)
chemoautotrophs
b)
nitrogen fixing bacteria
c)
herbivores
d)
secondary consumers
72.
What happens to carbon dioxide levels in the atmosphere when we burn fossil fuels?
a)
carbon dioxide levels in the atmosphere rise
b)
carbon dioxide levels in the atmosphere fall
c)
carbon dioxide levels in the atmosphere stay the same
73.
Which of the following add carbon dioxide to the atmosphere?
a)
volcanoes
b)
combustion of fossil fuels
c)
animal and plant respiration
d)
all of these
74.
Which of the following take carbon dioxide out of the atmosphere?
a)
plant and animal respiration
b)
volcanoes
c)
combustion of fossil fuels
d)
photosynthesis
75.
Which of the following is not needed for photosynthesis?
a)
water
b)
carbon dioxide
c)
sunlight
d)
nitrogen
76.
Which of the following is not needed for cellular respiration?
a)
glucose (sugar)
b)
nitrogen
c)
oxygen
77.
What is the process called that changes atmospheric nitrogen into compounds that are usable by living things?
a)
nitrogen fixation
b)
nitrogen breaking
c)
photosynthesis
d)
respiration
78.
Where do most decomposers live?
a)
atmosphere
b)
in the water
c)
in the soil
d)
on rocks
79.
If plants die.  What will animals run out of?
a)
carbon dioxide
b)
water
c)
oxygen
80.
What is the energy source for the water cycle?
a)
the sun
b)
the earth
c)
water
d)
the moon
81.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
82.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
83.
When water condenses, the water vapor in the air gets ___________ and changes back into liquid.
a)
cold
b)
hot
c)
warm
d)
solid
84.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
85.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
86.
What is a layer of rock or sediment that holds water?
a)
glacier
b)
well
c)
aquifer
d)
natural spring
87.

What are formed when water vapor condenses?

a)

Clouds

b)

Mountains

c)

Transpiration

d)

Valleys

88.

The process of eroding or being eroded by wind, water, or other natural agents. _______________________

a)

Runoff

b)

Sun

c)

Landforms

d)

weathering

89.

The draining away of water from the surface of an area of land.

a)

weathering

b)

transpiration

c)

run-off

d)

precipitation

90.

The process where plants absorb water through the roots and then give off water vapor through pores in their leaves. __________________________

a)

Transpiration

b)

Condensation

c)

Evaporation

d)

Precipitation

91.
Where is carbon stored in the environment?
a)
Fossil fuels
b)
Wood of trees
c)
Calcium carbonate (shells and bones)
d)
All of the above
92.
These gases, such as carbon dioxide, trap heat in the Earth's atmosphere causing global warming
a)
Global warming gases
b)
Hot House gases
c)
Green House gases
d)
Thermal pollution
93.
A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?
a)
volatilization
b)
nitrogen fixation
c)
runoff
d)
ammonification
94.
What converts nitrogen into a useable form for plants and animals?
a)
bacteria
b)
fungi
c)
rain
95.

What cycle are fossil fuels part of ?

a)

carbon

b)

oxygen

c)

nitrogen

d)

phosphorus

96.

What is the largest reservoir for nitrogen?

a)

the ocean

b)

rocks and minerals

c)

the atmosphere

d)

bacteria

97.

The carbon in coal, oil, and natural gas came from

a)

the combustion of fossil fuels

b)

the remains of dead organisms

c)

carbon-fixing bacteria in swamp soil

d)

carbon dioxide dissolved in ocean water

98.

Nitrogen fixation is the process in which certain bacteria convert nitrogen gas into

a)

liquid nitrogen

b)

nitrates

c)

nitrites

d)

ammonia

99.

Law of conservation of mass states that

a)

matter is neither created nor destroyed

b)

matter is destroyed

c)

matter is created

d)

matter does not change

100.

12. When water is heated in the ocean by the sun and turns into water vapor

a)

Condensation

b)

Transpiration

c)

Evaporation

d)

All of the above

101.

13. After condensation, the droplets of water in the clouds fall to Earth in different forms...

a)

precipitation

b)

evaporation

c)

condensation

102.
How much of the atmosphere is composed of nitrogen gas?
a)
87%
b)
38%
c)
78%
d)
21%
103.
Organisms that break down dead plants & animals and release nitrogen back into atmosphere...
a)
bacteria
b)
plants
c)
animals
d)
producers
104.
Organisms that need nitrogen to survive
a)
only plants
b)
only animals
c)
only bacteria
d)
all living organisms
105.
Plants and animals cannot use nitrogen directly from the air.
a)
True
b)
False
106.
After plants and animals contain nitrogen, what puts it back into atmosphere and soil?
a)
decomposition
b)
precipitation
c)
condensation
d)
bacteria
107.
What happens when organisms die and decay? 
a)
Their bodies are lifted up
b)
Their nitrogen returns to the soil
c)
they keep their nitrogen
d)
They stay on earth forever
108.
Nitrification happens in the ______
a)
Air 
b)
Soil 
c)
Ground Water 
d)
Plants 
109.

How do animals get the nitrogen they need?

a)

From the air they breathe

b)

From the water they drink

c)

From the food they eat

d)

From the sun

110.

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

a)

Assimilation

b)

Fixation

c)

Ammonification

d)

Denitrification

111.

A correct path that nitrogen could take would be

a)

air -> animals -> plants -> bacteria

b)

animals -> air -> bacteria -> plants

c)

bacteria -> air -> plants -> animals

d)

air -> bacteria -> plants -> animals

112.

This is NOT a part of the phosphorus cycle.

a)

Phosphate is incorporated into sedimentary rocks

b)

Phosphate bound to soil

c)

Atmospheric phosphate

d)

Phosphate is absorbed from the soil by plants

113.
What role do decomposers play in the phosphorous cycle?
a)
absorb phosphorous 
b)
release phosphorous into atmosphere
c)
return phosphorous into the soil
d)
combustion
114.
This is released by the weathering of rocks.
a)
Carbon
b)
Oxygen
c)
Phosphorus
d)
Nitrogen
115.
Which nutrient is not cycled through the atmosphere and stays only on ground level?
a)
carbon
b)
nitrogen
c)
phosphorus
d)
water
116.

True or false: Phosphorous can enter the atmosphere

a)

True

b)

False

117.
_____ brings phosphorous into our waterways. .
a)
precipitation
b)
runoff
c)
transpiration
d)
condensation
118.
Which of the following statements is true of the phosphorus cycle?
a)
Phosphorus enters the atmosphere as phosphates.
b)
The phosphorus cycle utilizes the processes of erosion, and weathering.
c)
Phosphates are used in carbohydrate and glucose storage.
d)
The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.
119.
What role do decomposers play in the phosphorous cycle?
a)
absorb phosphorous 
b)
release phosphorous into atmosphere
c)
return phosphorous into the soil
d)
combustion
120.
This is released by the weathering of rocks.
a)
Carbon
b)
Oxygen
c)
Phosphorus
d)
Nitrogen
121.

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

a)

eutrophication

b)

Nothing

c)

Death

d)

diseases

122.

This is NOT a part of the phosphorus cycle.

a)

Phosphate is incorporated into sedimentary rocks

b)

Phosphate bound to soil

c)

Atmospheric phosphate

d)

Phosphate is absorbed from the soil by plants

123.
Which of the following statements is true of the phosphorus cycle?
a)
Phosphorus enters the atmosphere as phosphates.
b)
The phosphorus cycle utilizes the processes of erosion, and weathering.
c)
Phosphates are used in carbohydrate and glucose storage.
d)
The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.
124.
What role do decomposers play in the phosphorous cycle?
a)
absorb phosphorous 
b)
release phosphorous into atmosphere
c)
return phosphorous into the soil
d)
combustion
125.

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

a)

eutrophication

b)

nothing

c)

decreased pH levels

d)

diseases

126.

The major sink for phosphorus is

a)

sedimentary rock

b)

atmospheric gases

c)

seawater

d)

plants

127.

Which nitrogen cycle process is occurring when bacteria convert ammonium to nitrite and then into nitrate?

a)

nitrogen fixation

b)

nitrification

c)

denitrification

d)

ammonification

e)

assimilation

128.

Which of these nitrogen molecules would be present in the atmosphere?

a)

NH3

b)

NH4+

c)

NO3-

d)

N2

129.

Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants?

a)

nitrogen fixation

b)

nitrification

c)

denitrification

d)

ammonification

e)

assimilation

130.

Which of these nitrogen cycle processes takes nitrogen from its largest reservoir?

a)

nitrogen fixation

b)

nitrification

c)

denitrification

d)

ammonification

e)

assimilation

131.

When deciduous trees shed their leaves, specialized soil bacterial will consume the leaf material for energy and, in the process, will return some of the leaf nitrogen to the soil. What nitrogen cycle process is taking place?

a)

nitrogen fixation

b)

nitrification

c)

denitrification

d)

ammonification

e)

assimilation

132.

This can transform nitrogen in the atmosphere into a usable form of nitrogen

a)

rain

b)

ice

c)

lightning

d)

sun

133.

What is the role of denitrifying bacteria

a)

change nitrate back into nitrogen gas

b)

change nitrogen gas into nitrate

c)

absorb carbon dioxide in the soil

d)

release oxygen gas into the atmosphere

134.

We need nitrogen to make

a)

proteins

b)

enzymes

c)

cells

d)

all of these

135.

What is the role of the sun in the water cycle?

a)

provide heat energy for evaporation

b)

provide heat energy for condensation

c)

dry out the soil for runoff to occur

d)

provide thermal energy for accumulation

136.

Which of the following is NOT a way water moves from the land to the air?

a)

transpiration

b)

respiration

c)

evaporation

d)

precipitation

137.

Which of the following is an example of precipitation?

a)

sleet

b)

hail

c)

snow

d)

all of the above

138.

What do we call water in its gas state?

a)

rain

b)

snow

c)

ice

d)

water vapor

139.

If groundwater reaches earth's surface, how does it reenter the water cycle?

a)

by transpiration

b)

by evaporation

c)

by accumulation

d)

it can't

140.

During evaporation, water changes from a _________ to a __________.

a)

solid, liquid

b)

gas, liquid

c)

liquid, gas

d)

liquid, solid

141.

The water cycle starts at....

a)

evaporation

b)

condensation

c)

precipitation

d)

it has not beginning or ending

142.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
143.
Carbon can be found in...
a)
The atmosphere
b)
Soil
c)
Fossil fuels
d)
All of the above
144.
Respiration is the process by which animals take in _____ and release _____. 
a)
photosynthesis, air
b)
carbon, oxygen
c)
oxygen
d)
oxygen, carbon dioxide
145.
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
146.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide and other greenhouse gases in the atmosphere
d)
higher levels of oxygen in the atmosphere
147.
How is the burning of fossil fuels related to global warming?
a)
Magic
b)
Fuels are hot
c)
Greenhouse effect
d)
Photosynthesis
148.
Which of the following is an example of a decomposer?
a)
Owl
b)
Fish
c)
Tree
d)
Mushroom
149.

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

a)

Stay the same

b)

Increase

c)

Decrease

150.

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

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