wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 1: Ecosystems and Weather Review

Total questions: 120

Worksheet time: 3hrs 16mins

Name
Class
Date
1.

What is the main difference between prokaryotic and eukaryotic cells?

a)

Prokaryotic cells are found only in multicellular organisms

b)

Eukaryotic cells are found only in unicellular organisms

c)

Eukaryotic cells have a nucleus and prokaryotic cells do not

d)

Prokaryotic cells have DNA and eukaryotic cells do not

2.

DNA found in prokaryotic cells is found in...

a)

in the nucleus

b)

in the cell membrane

c)

in the wall

d)

in the cytoplasm

3.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
4.
What is the cell organelle that forms the outer boundary of a cell and allows certain materials to move into and out of a cell?
a)
nucleus
b)
cell membrane
c)
cell wall
d)
cell barrier
5.
What is the cell organelle that is a gel-like material inside the cell that contains water and nutrients?
a)
rough ER
b)
smooth ER
c)
ribosomes
d)
cytoplasm
6.
What is the cell organelle that directs the activity of a cell that contains chromosomes with DNA?
a)
nucleolus
b)
nucleus
c)
ribosomes
d)
golgi body
7.
What is the cell organelle that breaks down food and releases energy to the cell?
a)
nucleus
b)
mitochondria
c)
chloroplast
d)
ribosome
8.
What is the cell organelle that is a storage area for the cell?
a)
golgi body
b)
smooth ER
c)
ribosome
d)
vacuole
9.
What is the cell organelle that provides structure to the outside of a PLANT cell?
a)
cell wall
b)
cell membrane
c)
nucleus
d)
nuclear membrane
10.
What is the cell organelle that contains chlorophyll and makes food for a PLANT cell?
a)
chlorophyll
b)
chloroplast
c)
vacuole
d)
mitochondria
11.
This organelle is know as the "powerhouse" of the cell because it is where energy is created.
a)
Endoplasmic Reticulum
b)
Golgi apparatus
c)
Chloroplast
d)
Mitochondria
12.

Why do animals lack chloroplasts?

a)

because they aren't green in color

b)

because animals do not have cells

c)

because animals do not need food

d)

because animals cannot make their own food

13.

What kind of cell is shown above?

a)

Plant Cell

b)

Animal Cell

14.

What kind of cell is shown above?

a)

Plant Cell

b)

Animal Cell

15.

Which statement was NOT included in cell theory?

a)

All living things are composed of cells.

b)

Living cells come only from other living cells.

c)

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

d)

Cells are the smallest structure of living things that can perform the functions necessary for life.

16.

What body system takes nutrients and oxygen to and carbon dioxide and waste from the cells?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

17.

What body system breaks down food?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

18.

What body system takes oxygen into the body and gives off carbon dioxide?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

19.

The digestive system is made up of which of the following organs?

a)

brain, nerves and spinal cord

b)

trachea, lungs and heart

c)

esophagus, stomach, small intestine and large intestine

d)

mouth, brain, and large intestine

20.

The respiratory system is made up of which of the following organs?

a)

brain, nerves and spinal cord

b)

cells, lungs and heart

c)

esophagus, stomach, small intestine

d)

mouth, nose, trachea, lungs

21.

The circulatory system is made up of which of the following parts?

a)

brain, nerves and spinal cord

b)

cells, lungs and heart

c)

heart, blood vessels and blood

d)

skin, tissues and muscles

22.

The nervous system is made up of which of the following organs?

a)

brain, nerves and spinal cord

b)

cells, lungs and heart

c)

heart, blood vessels and blood

d)

skin, tissues and muscles

23.
This system is the body's defense against attack.
a)
endocrine
b)
excretory
c)
muscular
d)
immune
24.
This system allows for movement of the body.
a)
skeletal
b)
nervous
c)
muscular
d)
integumentary
25.
Which system pumps blood through your body?
a)
circulatory
b)
digestive
c)
respiratory
d)
muscular
26.

Which body system protects the organs of the body?

a)

digestive

b)

respiratory

c)

skeletal

d)

muscular

27.

What is the function of the respiratory system?

a)

To digest your food

b)

To remove waste from the body

c)

To take in oxygen and remove carbon dioxide

d)

To fight disease

28.

What is the function of the digestive system?

a)

It transports blood and oxygen to your cells

b)

It breaks down food so the nutrients can be absorbed by your body

c)

It helps you breathe by taking in oxygen and transporting carbon dioxide out of your body

d)

It helps you move

29.

Which body system includes the brain and spinal cord?

a)

digestive

b)

respiratory

c)

skeletal

d)

nervous

30.
Which system moves body parts?
a)
muscular
b)
skeletal
c)
digestive
d)
respiratory
31.
Which system provides oxygen and removes carbon dioxide?
a)
digestive
b)
muscular
c)
respiratory
d)
nervous
32.
Which system controls all parts of your body and sends/receives messages?
a)
muscular
b)
digestive
c)
circulatory
d)
nervous
33.
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.
34.
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
35.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
36.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
37.

Which of the following best describes primary succession?

a)

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

b)

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

c)

Forest fire burns down forest that must bounce back over time

d)

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

38.

Primary succession occurs in areas with:

a)

very little soil

b)

lots of soil

c)

no soil

d)

soil that has been disturbed

39.
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
40.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
ecological succession
c)
secondary succession
d)
intermediate
41.
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
42.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Lichens → tree → shrubs→Grasses
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
43.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
44.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

light + carbon dioxide + water --> glucose + oxygen

b)

carbon dioxide + sugar + water --> oxygen + light

c)

oxygen + light + water --> carbon dioxide + sugar

d)

carbon dioxide + oxygen + water --> Light+ Sugar

45.

Which product is "waste" and mostly released by the producer (plant)?

a)

oxygen

b)

carbon dioxide

c)

sugar

d)

glucose

46.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
47.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
48.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
49.
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.
50.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
51.
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. 
d)
They have no resources available to them.
52.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
53.
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. 
54.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
55.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
56.
The image provided is an example of a(n):
a)
Autotroph
b)
Carnivore
c)
Herbivore
d)
Decomposer
57.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
58.

Consumer that eats both plants and animals

a)

omnivore

b)

fungivore

c)

carnivore

d)

herbivore

59.

Arrows represent ______________

a)

flow of organisms

b)

what eats what

c)

flow of energy

d)

percent of energy

60.

What is the ultimate source of energy?

a)

food

b)

plants

c)

sun

d)

sugar

61.

What percentage of energy is transferred from one trophic level to the next?

a)

1%

b)

10%

c)

90%

d)

100%

62.

What is the primary consumer?

a)

grass

b)

grasshopper

c)

mouse

d)

snake

e)

red hawk

63.

What is the tertiary consumer?

a)

grass

b)

grasshopper

c)

mouse

d)

snake

e)

red hawk

64.

What is the decomposer?

a)

sun

b)

grasshopper

c)

water

d)

snake

e)

mushrooms

65.

Where does the rabbit get its energy from?

a)

snake

b)

shrub

c)

cricket

d)

robin

66.

Which organism gets its energy from 3 organisms?

a)

mountain lion

b)

hawk

c)

squirrel

d)

snake

67.
The living organisms in an ecosystem such as plants and animals
a)
adaptation
b)
biotic
c)
decomposer
d)
abiotic
68.
The non-living factors in an ecosystem such as rocks, water and temperature.
a)
natural selection
b)
biotic
c)
biodiversity
d)
abiotic
69.
Organisms, such as vultures, that feed on dead animals.
a)
Producer
b)
Scavenger
c)
Consumer
d)
Parasite
70.
Organisms that digest dead producers and consumers such as mold, fungus, bacteria and worms.
a)
Producer
b)
Parasite
c)
Decomposer
d)
Consumer
71.
Struggle between organisms of the same or different species for food, space, light, water, etc.
a)
Interdependence
b)
Natural Selection
c)
Adaptation
d)
Competition
72.

Is this a DEPENDENT or COMPETITIVE relationshp?

a)

Dependent

b)

Competitive

73.

Is this a DEPENDENT or COMPETITIVE relationshp?

a)

Dependent

b)

Competitive

74.

Natural Disasters such as, earthquakes, flooding, and volcanic eruptions can cause ...

a)

short term changes

b)

long term changes

75.
An organism that cannot adapt to changes in the environment will most likely - 
a)
produce more offspring
b)
die
c)
change its traits to survive
d)
store more food
76.

What is an example of how organisms respond to short term changes in the environment?

a)

Animals tend to eat a lot more.

b)

Animals will hibernate.

c)

Animals must be able to adapt to a new environment.

d)

Animals will go extinct or die due to the short term change.

77.
Global Warming
a)
Short Term
b)
Long Term
78.
In the 1850s, Thomas Austin released approximately twenty-four rabbits from Europe into the Australian countryside. By 1900, tens of millions of rabbits were found all over the Australian continent. The warm Australian climate, abundant farmland, and crops provided the perfect habitat for the rabbits. The rabbits caused extensive damage to all vegetation, and the lack of plants increased soil erosion. Why were the rabbits so successful? 
a)
the rabbits competed with local herbivores for food
b)
the rabbits did not have natural predators
c)
erosion of soil benefited the rabbits
d)
diseases helped decrease rabbit populations
79.

A type of environmental change that can lead to genetic variations in organisms to better suit the environment.

a)

Long-term

b)

Short-term

80.

A type of environmental change that affects organisms immediately as it happens quickly.

a)

Long-term

b)

Short-term

81.

A type of environmental change where changes occur quickly and do not give time for organisms to develop adaptations, which can sometimes lead to die-offs or extinctions.

a)

Long-term

b)

Short-term

82.

A type of environmental change that can cause changes in the ecosystem which will affect organisms in that environment over several generations.

a)

Long-term

b)

Short-term

83.

How do the oceans contribute to the amount of Oxygen in the Earth's atmosphere?

a)

Fish in the ocean produce oxygen.

b)

Phytoplankton in the ocean produce oxygen through the process of respiration.

c)

Phytoplankton in the ocean produce oxygen through the process of phtosynthesis.

d)

There is no oxygen production in the ocean.

84.

What happens when a fertilizer runoff happens?

a)

Fish get bigger.

b)

Algae grow rapidly.

c)

The water becomes very clear.

d)

The oxygen level in the water increases.

85.

What happens to the fish if there is fertilizer runoff?

a)

The fish thrive because of increase in Nitrogen and Phosphorous.

b)

The fish die because of lack of oxygen.

c)

Nothing happens to the fish.

d)

The fish thrive because there is more algae to eat.

86.

Which of the following is the cause of dead zones in the ocean?

a)

An increase in the number of fish.

b)

An increase in runoff from fertilizer

c)

An increase in oxygen

d)

A decrease in oxygen

87.

Review the graph showing marine fishing rates.If the fishing rate in Asia continues to grow, what will most likely happen as a result?

a)

The fish population will continue to rise.

b)

A wide range in ocean temperatures will be seen worldwide.

c)

The U.S. human population will decline.

d)

The overfishing will cause an imbalance in marine ecosystems.

88.

What is one way humans are trying to positively impact the ocean?

a)

Fishing

b)

Drilling for oil and natural gas

c)

Creating artificial reefs

d)

Transporting goods in ocean vessels

89.

An artificial reef is a man made structure that may mimic some of the characteristics of a natural reef.

a)

True

b)

False

90.
What do the wind speeds need to reach for a storm to be classified as a hurricane?
a)
23 - 39 mph
b)
40 - 73 mph
c)
74 mph
d)
600 mph
91.
What fuels a hurricane's strength?
a)
Wind
b)
Sunlight
c)
Warm Water
d)
Cold Water
92.
In what direction do hurricanes rotate in the Northern Hemisphere?
a)
Clockwise
b)
Counterclockwise
c)
Up
d)
Down
93.
The pressure inside a hurricane is _______.
a)
High
b)
Low
94.

The name of the system that causes the winds to spin in a hurricane

a)

The Coriolis Effect

b)

The Corleone Affect

c)

The Circular Wind Phenomenon

d)

The East-West Effect

95.

What does heat do when convection currents are moving?

a)

Sinks

b)

Rises

c)

Stays in place

96.

Which picture shows material that is more dense?

a)

The picture of the left

b)

The picture on the right

97.

What causes convection current in the Earth?

a)

The uneven heating on each layer inside the Earth.

b)

The crusts outer layer.

c)

The temperatures we feel outside.

98.
If differences in air pressure produce winds, what can you conclude about temperature and air pressure based on the figure?
a)
As warm air rises, it creates an area of lower pressure, and cooler air flows in as wind
b)
Warm air is denser than cold air is, creating an area of high pressure the produces wind.
c)
Winds flow from areas of low pressure to areas high pressure when temperature is warmer
d)
Air pressure decreases at night because temperature is lower, producing land and sea breezes
99.

The winds in a high pressure system circulate in which direction?

a)

clockwise

b)

counterclockwise

100.

What type of weather do low pressure systems bring?

a)

fair weather

b)

rainy/stormy weather

101.

This type of pressure system signals fair weather

a)

high pressure system

b)

low pressure system

102.

Winds circulate in a counterclockwise direction during which type pressure system?

a)

high pressure system

b)

low pressure system

103.

True or false? The uneven heating of the Earth produces winds.

a)

true

b)

false

104.
A front is
a)
where warm air is cooling at earth's surface
b)
a line where hot and cold air are separating
c)
a line where two different air masses meet
d)
where cold air is rising and forming rain clouds
105.
What symbol is this?
a)
warm front
b)
cold front
c)
stationary front
d)
occluded front
106.
When a cold front or a warm front stays in place for several days without invading another front, it is called a ______. 
a)
stationary front 
b)
 cold front 
c)
occluded front
d)
warm front 
107.
This is the symbol for which type of front?
a)
cold front
b)
warm front
c)
stationary front
d)
occluded front
108.

This is the symbol for a _____________ weather front.

a)

Cold

b)

Warm

c)

Stationary

d)

Occluded

109.

A _____________ weather front occurs when a cold air mass moves forward, pushing the warm air mass up.

a)

Cold

b)

Warm

c)

Stationary

d)

Occluded

110.

A _____________ weather front occurs two cold air masses meet and push/force the warm air in the middle upwards.

a)

Cold

b)

Warm

c)

Stationary

d)

Occluded

111.

What type of front is shown?

a)

Warm Front

b)

Cold Front

c)

Occluded Front

d)

Stationary Front

112.

Why does warm air rise above cold air?

a)

Warm air is less dense

b)

Warm air is more dense

c)

Cold air is stronger than warm air

113.

What type of front is over Texas?

a)

warm front

b)

cold front

c)

stationary front

d)

occluded front

114.
a)
Low Clouds
b)
Low Temperatures
c)
Light Wind
d)
Low Air Pressure
115.
a)
High Air Pressure
b)
High Temperatures
c)
Heavy Rain
d)
Hail
116.
High Pressure is associated with this type of weather...
a)
Cloudy/Overcast Weather
b)
Cold Weather
c)
Warm Weather
d)
Fair Weather
117.
Low Pressure is associated with this type of weather...
a)
Cloudy/Overcast Weather
b)
Cold Weather
c)
Warm Weather
d)
Fair Weather
118.
Our weather generally moves in this direction...
a)
West to East
b)
East to West
c)
North to South
d)
South to North
119.
Is this a land or a sea breeze?
a)
land breeze
b)
sea breeze
120.
What causes warm air to rise?
a)
the fact that it's less dense than cold air 
b)
The fact that it weighs more than cold air 
c)
The fact that it has higher pressure than cold
d)
the fact that its more dense than cold air 

Similar Resources on Wayground

IAPS Semester 2 review D,E,F

120 questions

IAPS Semester 2 review D,E,F

quiz

Worksheet

•

8th Grade

LABORATORY METHODS AND TECHNIQUES

120 questions

LABORATORY METHODS AND TECHNIQUES

quiz

Worksheet

•

6th - 8th Grade

SEMESTER ONE EXAM LIVE SESSION REVIEW

120 questions

SEMESTER ONE EXAM LIVE SESSION REVIEW

quiz

Worksheet

•

8th Grade

Unit 1: Electricity and Magnetism study guide

119 questions

Unit 1: Electricity and Magnetism study guide

quiz

Worksheet

•

6th - 8th Grade

Energy and Energy Transfer

115 questions

Energy and Energy Transfer

quiz

Worksheet

•

6th - 8th Grade

Physics Units Review

115 questions

Physics Units Review

quiz

Worksheet

•

8th Grade

B1 AQA Cell biology

122 questions

B1 AQA Cell biology

quiz

Worksheet

•

KG - 12th Grade

Mr. Bell Science Final Exam 2024

117 questions

Mr. Bell Science Final Exam 2024

quiz

Worksheet

•

6th - 8th Grade