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Total questions: 208

Worksheet time: 2hrs 18mins

Name
Class
Date
1.

biotic or abiotic?

(a)  

2.

biotic or abiotic?

(a)  

3.

Which are biotic factors in this picture?

a)

rock

b)

sunlight

c)

frog

d)

dragonfly

e)

plants

4.

Which are abiotic factors in this picture?

a)

rock

b)

sunlight

c)

frog

d)

dragonfly

e)

plants

5.

What is a community of organisms and their environment?

a)

community

b)

population

c)

ecosystem

6.

What is a group of organisms of the same species in a specific area?

a)

community

b)

population

c)

ecosystem

7.

What is all the populations of species that live in the same area and interact with each other?

a)

community

b)

population

c)

ecosystem

8.

What are living organisms part of an environment?

a)

biotic factors

b)

abiotic factors

9.

What are non-living things part of an environment? (like soil, light, and temperature)

a)

biotic factors

b)

abiotic factors

10.

In an ecosystem, what are the organisms that eat other organisms?

(a)  

11.

In an ecosystem, what are the organisms that make their own food?

(a)  

12.
An ecosystem is made up of _______ and ________ things.
a)
Living and nonliving
b)
Alive and dead
c)
Plants and animals
d)
Land and water
13.
Communities are made up of living things only. Which one of these is a community?
a)
Trees, birds, dirt, worms
b)
Deer, grass, leaves, bunnies
c)
Whales, water, seashells, fish
d)
Sand, camels, mountains, coyotes
14.
Populations contain more than one member of the species. Which one of these is a population?
a)
Deer and mice
b)
10 squirrels
c)
squirrel
d)
squirrel, deer, and mice
15.
What is another word for population of living things?
a)
Niche
b)
Habitat
c)
Species
d)
Organism 
16.
What does the word organism mean?
a)
Living thing
b)
Nonliving thing
c)
Organs in your body
d)
Organ player
17.
What is another word for an animal's home?
a)
Habitat
b)
Niche
c)
Population
d)
Organism
18.
What is the role an organism plays in its ecosystem?
a)
Habitat
b)
Niche
c)
Organism
d)
Population
19.
Any characteristic that helps an organism survive in its ecosystem is an ____________. 
a)
Niche
b)
Habitat
c)
Adaptation
d)
Organism
20.
An adaptation a walrus has is:
a)
It has long tusks to pull itself up on ice
b)
It eats fish
c)
It likes to sleep and be awake
d)
It lives in the tundra
21.
An adaptation a desert tortoise has is:
a)
Long, fin-like legs to move easily in water
b)
Short, stumpy legs with claws to walk easily across sand
22.
Which of these rabbits would be able to survive in the hot grasslands?
a)
Jackrabbit with long ears
b)
Snowshoe hare with short ears
23.
What 4 things does an organism need to survive?
a)
Food, water, shelter, space
b)
Food, friends, shelter, space
c)
Water, shelter, prey, predators
d)
Shelter, food, water, humans
24.
What is the long-lasting relationship between two different organisms?
a)
Symbiosis
b)
Mutualism
c)
Parasitism
d)
Commensalism
25.
Which type of symbiosis has both organisms benefit?
a)
Symbiosis
b)
Commensalism
c)
Parasitism
d)
Mutualism
26.
In which type of symbiosis does one organism benefit and one is not affected?
a)
Symbiosis
b)
Commensalism
c)
Mutualism
d)
Parasitism
27.
In which type of symbiosis does one benefit and one is harmed?
a)
Symbiosis 
b)
Mutualism
c)
Parasitism
d)
Commensalism
28.
A clownfish cleaning a sea anemone and the anemone protecting the clownfish is an example of what?
a)
Commensalism
b)
Parasitism
c)
Organism
d)
Mutualism
29.
A hookworm living in the intestines of a dog and taking nutrients away from the dog, making it sick shows:
a)
Parasitism
b)
Organism
c)
Mutualism
d)
Commensalism
30.
A cattle egret hanging out on top of an elephant and eating insects that fly up out of the grass as the elephant walks shows:
a)
Parasitism
b)
Commensalism
c)
Mutualism
d)
Organism
31.

What type of ecosystem is this?

a)

tundra

b)

desert

c)

wetland

32.

What is a carnivore?

a)

an animal that eats plants

b)

an animal that eats plants and animals

c)

an animal that only eats other animals

33.

What type of ecosystem is this?

a)

wetland

b)

grassland

c)

tundra

34.

a flower is a _________

a)

consumer

b)

producer

35.

What type of ecosystem is this?

a)

forest

b)

tundra

c)

grassland

36.

What type of consumer is this animal?

a)

herbivore

b)

omnivore

c)

carnivore

37.

This organism is a _______

a)

consumer

b)

producer

38.

What is an herbivore?

a)

a plant that produces its own food

b)

an animal that eats plants and animals

c)

an animal that eats only plants

39.

Is this animal a producer or a consumer?

a)

producer

b)

consumer

40.

Is this an example of a producer or a consumer?

a)

consumer

b)

producer

41.

What type of ecosystem is this?

a)

tundra

b)

wetland

c)

grassland

d)

desert

42.

What type of consumer is this animal?

a)

producer

b)

carnivore

c)

herbivore

d)

omnivore

43.

What type of ecosystem is this?

a)

wetland

b)

ocean

c)

grassland

d)

forest

44.

How many ecosystems are there?

a)

2

b)

4

c)

6

d)

8

45.

Choose the non-living organism.

a)
b)
c)
d)
46.

Choose the living organism

a)
b)
c)
d)
47.

Match the following

a)
1.

producer

b)
2.

consumer

c)
3.

carnivore

d)
4.

omnivore

e)
5.

non-living

48.

Choose the carnivore.

a)
b)
c)
d)
49.

Choose the herbivore.

a)
b)
c)
d)
50.

What type of ecosystem is this?

a)

forest

b)

ocean

c)

wetland

d)

desert

51.

What is an omnivore?

a)

Creates its own food.

b)

Only eats animals.

c)

Only eats plants.

d)

Eats both plants and animals.

52.
Which of the following planets most likely has the highest temperature?
a)
Earth
b)
Mars
c)
Mercury
d)
Neptune
53.
Which of the following explains the revolution of a planet?
a)
The Earth revolves around the sun once per day.
b)
The Earth revolves around the sun once per year.
c)
The moon revolves around the sun once per day.
d)
The Earth rotates on it's axis once per day.
54.
What celestial body is at the center of our solar system?
a)
Earth
b)
Moon
c)
Milky Way
d)
Sun
55.
What is the milky way?
a)
One of many galaxies in the universe.
b)
A constellation.
c)
The only galaxy in the universe.
d)
A planet in our galaxy.
56.
What is the correct order from largest to smallest?
a)
galaxy, universe, planet, sun
b)
planet, sun, galaxy, universe
c)
universe, galaxy, sun, planet
d)
sun, galaxy, universe, planet
57.
What are two differences between planets?
a)
Outer planets take longer to revolve and are larger.
b)
Outer planets take longer to revolve and are smaller.
c)
Inner planets take longer to revolve and are smaller.
d)
Inner planets take longer to revolve and are larger.
58.
What is an example of one Earth day?
a)
The Earth moves away from the sun.
b)
The Earth rotates once on its axis.
c)
The Earth revolves once on its axis.
d)
The Earth moves closer to the sun.
59.
How long does it take from one full moon to the next full moon?
a)
About one day.
b)
About one year
c)
About one season
d)
About one month.
60.
Small diameter and a shorter orbit around the sun are characteristics of which of the following?
a)
inner planets
b)
outer planets
c)
stars
d)
asteroids
61.
Stars are made mostly of which of the following?
a)
very hot metal
b)
hot gases of hydrogen and helium
c)
hot molten lava
d)
dust and ice
62.
The sun is a star.  Why does it look brighter than other stars?
a)
It's larger than other stars.
b)
It's hotter than other stars.
c)
It's closer than other stars.
d)
It's smaller than other stars.
63.
Where is the asteroid belt located?
a)
Beyond the outer planets.
b)
Between outer and inner planets.
c)
Between Mercury and Venus.
d)
Near a black hole.
64.
Which statement is true?
a)
The outer planets rotate as they orbit the sun. The inner planets do not rotate.
b)
The inner planets travel further around the sun than the outer planets.
c)
The outer planets travel a greater distance than inner planets.
d)
The inner planets rotate as they orbit the sun.  The outer planets do not.
65.
The further a planet is from the sun the....
a)
colder
b)
hotter
c)
smaller
d)
larger
66.
Their are trillions of stars in our galaxy.  Why can we only see some of those stars at night?
a)
We only see the stars that are further from us.
b)
The stars we see are bigger.
c)
The stars we see are smaller.
d)
We only see the stars that are closest to us.
67.
How is the Earth different from other planets?
a)
It is warmed by the sun.
b)
It revolves around the sun.
c)
It has a rocky surface.
d)
It has a breathable atmosphere.
68.
What's the difference between asteroids and comets?
a)
comets are made of rock and asteroids are made of dust and ice.
b)
Asteroids are made of rock and comets are made of dust and ice.
c)
Asteroids orbit the sun while comets orbit a planet.
d)
comets are larger than asteroids.
69.
What makes the moon shine at night?
a)
The moon reflects the light from the Earth.
b)
The moon provides its own light.
c)
The moon reflects the light from the sun.
d)
The moon burns like a star.
70.
true or false:  Stars that are the same color are usually about the same size.
a)
True
b)
False
71.
The diameter of a planet and how long it takes to revolve around the sun will give you information when deciding if is 
a)
an outer or inner planet
b)
a dwarf planet
c)
a planet like our Earth
d)
a star
72.

pieces of rocks and dust that orbit the sun between mars and jupiter.

a)

comets

b)

planets

c)

asteroids

d)

meteorites

73.

Inner planets

a)

Jupiter, mars, Uranus, Neptune

b)

Mercury, mars, earth, venus

c)

jupiter, saturn, neptune

d)

Mars, mercury, saturn

74.

outer planets

a)

Jupiter, saturn, uranus, neptune

b)

Mars, saturn, venus, neptune

c)

Earth, Mars, Mercury, venus

d)

Jupiter, saturn, Uranus, Mars

75.

Center of our solar systems that governs all movement of the planets?

a)

Milky way

b)

Earth

c)

Sun

d)

Asteroid belt

76.

I frozen chunk of ice and gases that orbits the sun in an elliptical pattern.

a)

Meteroid

b)

asteroid

c)

dust

d)

comet

77.

What is an object called when it enters the atmosphere and is a streak of light?

a)

Meteor

b)

comet

c)

moon

d)

asteroid

78.

Force of attraction between masses

a)

sunlight

b)

friction

c)

atmosphere

d)

gravity

79.

Where is the asteroid belt located?

a)

Venus and earth

b)

mars and jupiter

c)

sun and mercury

d)

neptune and uranus

80.

What do astronauts have to have in order to survive in space?

a)

gravity

b)

light

c)

oxygen

81.

Why do astronauts need a tether rope?

a)

to help with strong winds

b)

to add weight

c)

to keep them them from floating away

d)

heat

82.

A probe, satellite, rocket, rover, and telescope all need to be able to do what?

a)

collect rock samples

b)

Transport equipment

c)

conduct experiments

d)

communicate with Earth

83.

Gravity is the force of attraction between two objects, TRUE or FALSE?

a)

True

b)

False

84.

The hottest planet is

a)

Earth

b)

Mercury

c)

Venus

d)

Mars

85.

True or False:  On another planet, your weight may go up or down based on the planet's gravity but your mass will stay the same.

a)

False

b)

True

86.

The _______ the mass of an object the more gravity an object will have

a)

lower

b)

same

c)

greater

87.

Which object in the solar system has the LEAST gravity?

a)

Juptier

b)

Earth

c)

Uranus

d)

Sun

88.

Earth's "sister" planet

a)

Mars

b)

Earth

c)

Venus

89.

This is known as a "shooting star"..

a)

Comet

b)

Meteor

c)

Asteroid

90.

Planets orbit the sun in an (a)   shape

91.

The asteroid belt is located...

a)

next to the Sun.

b)

Between Earth and Mars

c)

Between Mars and Jupiter

92.

The Earth rotates on it's axis once every _____

a)

7 days

b)

month

c)

365 days

d)

24 hours

93.

Which planet would have the longest revolution around the sun?

a)

Earth

b)

Venus

c)

Neptune

d)

Saturn

94.

I am the planet closest to the sun:

a)

Mars

b)

Venus

c)

Mercury

95.

Match the following planets to their location:

a)

Closest to the sun

1.

Mercury

b)

Second closest to the sun

2.

Venus

c)

Third planet from the sun

3.

Earth

d)

Fourth planet from the sun

4.

Mars

96.

These are considered "terrestrial" planets:

a)

Jupiter, Saturn, Uranus, Neptune

b)

Mars, Mercury, Pluto

c)

Mercury, Venus, Earth, Mars

97.

These are considered "Jovian" planets:

a)

Jupiter, Saturn, Uranus, Neptune

b)

Mars, Earth, Pluto

c)

Mercury, Venus, Earth, Mars

98.

What is a revolution?

a)

One year

b)

One month

c)

One day

99.

This planet has the "great red spot" storm:

a)

Neptune

b)

Jupiter

c)

Mars

100.

The lower the mass, the greater the gravitational pull

a)

TRUE

b)

FALSE

101.

The greater the distance, the (a)   the gravitational pull

102.

The furthest planet from the sun is

a)

Jupiter

b)

Uranus

c)

Neptune

d)

Saturn

103.

All of the "outer planets" have rings around them

a)

Flase

b)

True

104.

What is the name of the mission that NASA plans to send astronauts back to the moon in 2024 and eventually build a moon base?

a)

Pluto

b)

Artemis

c)

Apollo

d)

Sputnik

105.

Put the outer planets in order

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

1)
2)
3)
4)
106.

What type of cells did Mathias Schleiden study?

a)

Animal

b)

Plant

c)

big

d)

fake

107.

Put a check next to all the living things seen in the video

a)

Water

b)

Plankton

c)

Sponge

d)

Crabby patty formula

e)

Fish

108.

Put a check next to all nonliving things seen in the video

a)

Water

b)

Sand

c)

Sponge

d)

Crabby patty formula

e)

Man on beach

109.

What did Rudolph Virchow contribute to the Cell Theory?

a)

All cells result from the division of previously existing dead cells

b)

All cells result from out of nowhere randomly

c)

All cells result from the division of previously existing living cells

d)

Thant it is unknown where all cells result from

110.

What does the statement “All cells result from the division of previously existing living cell” mean?

a)

All cells are made from other cells

b)

All cells are good at math (division)

c)

All cells come from different places

d)

No cell is the same

111.

This is the most basic unit of life

a)

Atom

b)

Nucleus

c)

Cell

d)

DNA

112.

Bacteria, Archea,Protozoa, and Algae are all example of

a)

Multicellular organisms

b)

Unicellular organisms

c)

Types of cells

d)

Strands of DNA

113.

Which of the following statements are true

a)

All organisms are made of one cell

b)

All organisms are made of many cells

c)

All organisms have no cells

d)

All organisms are made of one or more cells

114.

Specialized Cells such as nerve cells, brain cells, and muscle cells, are all characteristics of

a)

Unicellular Organisms

b)

Tiny organisms

c)

nonhuman organisms

d)

Multicellular Organisms

115.

_______ are the smallest units of life because they grow, reproduce, respond, and use energy.

a)

atoms

b)

elements

c)

cells

d)

all of the above

116.

Cells come from______.

a)

other preexisting cells

b)

cytoplasm

c)

organelles

d)

prokaryotes

117.

The cell theory states that_________

a)

cells come from cells

b)

all organisms are made of cells

c)

cells are the basic unit of structure and function for life

d)

all of the above

118.

________ is the scientist who saw small chambers when looking at cork, and named them “cells”.

a)

Newton

b)

Hooke

c)

Carson

d)

Manning

119.

The size of an organism is determined -

a)

by the size of the cells that make up the organism.

b)

by the number of cells that the organism has.

120.

The cell theory is a result of the work of one very important scientist name Hooke.

a)

True

b)

False

121.

A multicellular organism is made of

a)

one cell

b)

multiple cells

c)

unicellular cells

d)

there is no such thing as a "multicellular" organism

122.

One common feature of all cells is their ability to -

a)

work with other cells in a "unicellular" organism.

b)

reproduce themselves.

c)

be formed by spontaneous generation.

d)

exist without needing a cell membrane

123.

When a cell is ready to reproduce, it duplicates its contents, then divides into two similar (and sometimes exact duplicate) cells.

a)

True

b)

False

124.

Regardless of type, all cells

a)

have a cell membrane

b)

have cytoplasm

c)

can duplicate themselves by undergoing cell division

d)

all of the above

125.
Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?
a)
The Theory of Gravity
b)
The Theory of Relativity
c)
The Cell Theory
d)
The Theory of Continental Drift
126.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
127.
All living things are made up of...
a)
cells
b)
cell tissues
c)
organ
d)
organ systems
128.
All cells come from___________ cells.
a)
pregnant
b)
pre-existing
c)
paternal
d)
pin size
129.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
130.
what is a cell classified as?
a)
a basic unit of structure and function of all living organisms
b)
a unit based on only plants and animals that are living
131.
Who looked at cork and named the cell?
a)
Robert Hooke
b)
Van Leeuwenhoek
c)
Robert Brown
d)
Francesco Redi
132.
Which scientist did NOT contribute to the cell theory?
a)
Anton Van Leeuwenhoek
b)

Robert Hooke
c)
Albert Einstein 
d)

Matthias Schleiden
133.
Cells are often called "the ____ of life."
a)
bread
b)
road map
c)
building blocks
d)
meaning
134.
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?
a)
Plants have cells but animals do not.
b)
They are both made of one or more cells. 
c)
They both come from the same kind of cell.
d)
They both come from a non-living organism.
135.

  There are three parts to the cell theory. Which is NOT one of those parts?

a)

All organisms are composed of one or more cells.

b)

The cell is the basic unit of structure and organization in organisms.

c)

Cells spontaneously arise from carbon and nutrients carried in the bloodstream.

d)

All cells come from pre-existing cells.

136.
Which of the following scientists was the first to observe bacteria?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
137.

A cell without a true nucleus

a)

Prokaryotic

b)

Eukaryotic

138.

A cell that has a true nucleus

a)

Prokaryotic

b)

Eukaryotic

139.
Which of the following is not a characteristic of a Prokaryotic cell?
a)
unicellular
b)
floating DNA
c)
very small
d)
complex
140.

Bacteria is an example of a(n)

a)

prokaryotic cell.

b)

eukaryotic cell.

141.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
142.

Plants and animal cells are examples of ___ cells

a)

prokaryotic cells

b)

eukaryotic cells

c)

both eukaryotic and prokaryotic

d)

neither

143.
This is a picture of:
a)
Prokaryote
b)
Eukaryote
144.

Prokaryote or Eukaryote?

Unicellular or Multicellular?

Orange Tree

a)

Prokaryote

Unicellular

b)

Eukaryote

Unicellular

c)

Eukaryote

Multicellular

145.

Is the cell in the photo prokaryotic or eukaryotic?

a)

Prokaryotic

b)

Eukaryotic

146.

What is a cell?

a)

The smallest unit of life that makes up all living things

b)

The smallest unit of all matter

c)

The smallest unit of only plants

d)

the smallest unit of only animals

147.

What scientist added the third part of the cell theory which stated all cells come from other cells?

a)

Rudolph Virchow

b)

Theadore Schwann

c)

Anton van Leeuwenhoek

d)

Robert Hook

148.

Where do cells come from?

a)

Cells free form into existence

b)

Cells come from the 'spontaneous generation'

c)

cells come from other animal cells

d)

cells come from pre existing (other) cells

149.

What piece of technology contributed to the cell theory?

a)

The telecope

b)

The microscope

c)

The kaleidscope

d)

Sunglasses.

150.

Who observed pieces of cork and called the spaces he saw "cells"?

a)

Theadore Schwann

b)

Anton van leeuwenhoek

c)

Mattihas Schleiden

d)

Robert Hooke

151.

Is the cell in the photo prokaryotic or eukaryotic?

a)

Prokaryotic

b)

Eukaryotic

152.

Which scientist discovered all animals were made of cells?

a)

Theadore Schwann

b)

Mattihas Schleiden

c)

Robert Hooke

d)

Franceso Redi.

153.

Which things are made of cells?

a)

plants and animals only

b)

bacteria and fungi only

c)

some bacteria, some plants and some animals

d)

all living organisms including plants, animals, bacteria, and fungi

154.

What is inside the nucleus of a eukaryotic cell?

a)

bacteria

b)

Proteins

c)

DNA

d)

life

155.

How did Matthias Schleiden contribute to the cell theory?

a)

He discovered all animals are made of cells

b)

He called pieces of corks spaces "cells"

c)

He discovered all plants are made of cells.

d)

He added the third part of the cell theory

156.

What are the main two categories of cells?

a)

Prokeryotic and Youkaryotic Cells

b)

Prokaryotic and Eukaryotic Cells

c)

Plant and Animal Cells

d)

Simple and Complex Cells

157.

What scientist is the first to observe 'living cells' in a microscope?

a)

Robert Hooke

b)

Mattihas Schleiden

c)

Anton van Leeuwenhoek

d)

Theadore Schwann

158.

What makes prokaryotic cells different from eukaryotic cells?

a)

Prokaryotes have no nucleus to hold their DNA and eukaryotes do.

b)

eukaryotes have no nucleus to hold their DNA and prokaryotes do.

c)

Eukaryotes are bacteria cells and prokaryotes are plant and animal cells

d)

Prokaryotes have no DNA.

159.

What are the three parts of the cell theory?

a)

1. All livings things are made of one or more cells

2. Cells are the most basic unit of all living things

3. Cells free form into existence

b)

1. Most livings things are made of one or more cells

2. Cells are the most basic unit of Most living things

3. Cells pop up out of nowhere

c)

1. All livings things are made of one or more cells

2. Cells are the most basic unit of all living things

3. Cells come from other cells

d)

1. Animals are made of one or more cells

2. Cells are only present in animals

3. Cells pop up out of nowhere

160.
Which is a biotic factor?
a)
Fox
b)
Mountain
c)
Air
d)
Sunlight
161.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
162.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
163.
All of the nonliving parts of an ecosystem are _______.
a)
biography
b)
biotic
c)
abiotic
d)
biology
164.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
165.
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
166.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
167.
Energy flow for an ecosystem starts with...
a)
Sun
b)
Moon
c)
Neither
168.
John Cena wanted to examine a decomposer. What would he need to see it with?
a)
Telescope
b)
Magnifying glass
c)
Microscope
169.
What is the definition of Biotic factors?
a)
Dead things
b)
plants
c)
Living things or organisms
d)
soil
170.
What is a example of a abiotic factor?
a)
Panda
b)
Turtle
c)
Butterfly
d)
weather
171.
What is an example of a biotic factor?
a)
skunk
b)
rocks
c)
soil
d)
water
172.
What is the definition of Abiotic factors?
a)
Alive organisms or things
b)
Dead things or organisms
c)
panda
d)
insect
173.
What does a biotic do?
a)
do nothing
b)
move, repopulate, and live
c)
stand still
d)
dead things
174.
Temperature, light, air, water, and soil are all  _____  parts of the environment
a)
alive
b)
biotic 
c)
abiotic
d)
living
175.
Abiotic factors are livings things in an ecosystem.
a)
False
b)
True
176.
Temperature is an example of what kind of factor?
a)
Biotic 
b)
abiotic
c)
dead
d)
living
177.
Predators is an example of what kind of factor.
a)
Biotic
b)
Abiotic
c)
living
d)
dead
178.
All living organisms that inhabit an environment are called?
a)
Biotic
b)
Abiotic
c)
Dead
d)
community
179.
Which of the fallowing has only abiotic factors?
a)
Sunlight, algae, and temperature
b)
Guppy, crab, oxygen
c)
Sunlight, soil, and weather
d)
Algae, temperature, and dog
180.

A(n) ___________ is a community and its physical environment together.

a)

Ecosystem

b)

Environment

c)

Habitat

d)

Animal

181.

What is an example of an ecosystem?

a)

a deer

b)

a group of deers, the sun, rabbits, the lake, the soil, a bird, a tree

c)

a group of deers

d)

a group of deers, rabbits, a bird, and a tree

182.

Which of the following groups are abiotic?

a)

bird, fish, tree, frog

b)

shark, manatee, fly, lizard

c)

water, shark, tree, soil

d)

water, sun, 98 degrees, soil

183.

Which of the following is a biotic factor?

a)

a bird flying

b)

a stream flowing

c)

an airplane taking off

d)

a thunderstorm

184.

Which of the following is a biotic factor that humans interact with everyday?

a)

oxygen we inhale

b)

the water we use to take a shower

c)

the food we eat

d)

the dirt we walk on

185.

What is a predator?

a)

An animal who kills and eats other animals

b)

An animal who is killed and is eaten by other animals

186.

This animal is a...

a)

Prey (deer)

b)

Predator (antelope)

c)

Prey (antelope)

d)

Predator (lion)

187.

The crocodile is

a)

a predator which eats fish, zebras, hippos and so on.

b)

a prey which is eaten by zebras, hippos and so on.

c)

a prey which is eaten by alligators.

d)

a predator which eats alligators.

188.

A carnivore is an animal which

a)

hunts and eats other animals. Can only be predator.

b)

hunts and eats other animals. Can be both prey and predator.

c)

eats both plants and other animals. Can be both prey and predator.

d)

eats only grass and plants. It's usually a prey.

189.

What is likely to happen to the population of a prey species if the population of its predator decreases?

a)

It will decrease

b)

It will stay the same

c)

It will increase

d)

It will become extinct

190.

Identify the trophic level of the owl in the image

a)

Producer

b)

Primary consumer

c)

Secondary consumer

d)

Tertiary consumer

191.

Scientists classify consumers into Carnivores, Herbivores, and Omnivores based on how they meet their need for ___.

a)

Food

b)

Water

c)

Shelter

d)

Air

192.

If scientists observe ____,

they will infer an organism is a carnivore.

a)

Sharp Teeth

b)

Flat Teeth

c)

A mix of sharp and flat teeth

193.

A herbivore is an ____.

a)

Organism that eats only meat

b)

Organism that eats only plants

c)

Organism that eats all things - meat and plants.

194.

An omnivore is an ____.

a)

Organism that eats only meat

b)

Organism that eats only plants

c)

Organism that eats all things - meat and plants.

195.

Match the classification to its teeth.

a)
1.

Herbivore

b)
2.

Carnivore

c)
3.

Omnivore

196.

Carnivores and omnivores have eyes that face the front

to make it easier to ____.

a)

Hunt

b)

Run and Hide

197.

Herbivores have eyes that face the side

to make it easier to ____.

a)

Hunt

b)

Run and Hide

198.

___ 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

199.
Natural disasters such as flooding and tornadoes are linked to ________________.
a)
primary
b)
secondary
c)
old field
d)
ecosystem
200.
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
201.

A living organism needs this to survive.

a)

wet weather clothes

b)

warm clothes

c)

antibiotics

d)

energy

202.

Decomposers get energy from...

a)

the sun

b)

eating plants

c)

eating animals

d)

dead things and waste

203.

Producers are ...

a)

plants

b)

animals

c)

also called decomposers

d)

all of these are true

204.

Arrows in a food web show

a)

eating

b)

sunlight

c)

energy flow

d)

matter

205.

An organism that gets energy from eating other organisms is a ______________

a)

producer

b)

consumer

c)

decomposer

206.

Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?

a)

Preventing deer from depleting food resources.

b)

Restoring a natural habitat.

c)

Wildlife rangers minimizing disturbances.

d)

A lumber company clearing a forest.

207.

If humans over-hunted a population of insect-eating birds, what immediate change would likely be seen in the area?

a)

Increased seedling germination

b)

Increased populations of insects

c)

Migration of small mammals

d)

Severe loss of vegetation

208.

A meadow has too many rabbits. What would help balance this ecosystem?

a)

more rain that grass needs

b)

fewer foxes that eat rabbits

c)

more foxes that eat rabbits

d)

more grass for the rabbits to eat

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