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6th Grade Science Review

Total questions: 175

Worksheet time: 3hrs 35mins

Name
Class
Date
1.
Means that the substance must occur in nature, it cannot be created or manufactured by people
a)
Inorganic
b)
Organic
c)
Naturally Occurring
d)
Not Living
2.
Means that a mineral cannot come from something that was once living.
a)
Inorganic
b)
Organic
c)
Naturally Occurring
d)
Not Living
3.
The five characteristics that all minerals share are:
a)
Definite Chemical Composition, Color, Density, Igneous, and Solid
b)
Definite Chemical Composition,  Crystal Structure, Inorganic, Naturally Occurring, and Solid
c)
Cleavage, Faces, Hardness, Metamorphic, and Streak
d)
Cleavage, Crystal Structure, Density, Igneous, and Solid
4.
This means the particles that make a mineral line up in a pattern that repeats over and over again.
a)
Chemical Composition
b)
Crystal Structure
c)
Fracture
d)
Solid
5.
This is measured on  the Mohs Scale.
a)
Cleavage
b)
Density
c)
Hardness
d)
Luster
6.
The _________ of a mineral is a physical property that is easy to observe.
a)
Chemical Composition
b)
Color
c)
Hardness
d)
Streak
7.
_______ is found by rubbing the mineral against an unglazed tile called a plate.
a)
Cleavage
b)
Color
c)
Luster
d)
Streak
8.
This is how a mineral reflects light.
a)
Cleavage
b)
Density
c)
Hardness
d)
Luster
9.
________ is the mass per unit volume.
a)
Crystal Structure
b)
Density
c)
Hardness
d)
Solid
10.
_______ is a property that describes a mineral  that splits evenly along flat surfaces.
a)
Cleavage
b)
Fracture
c)
Inorganic
d)
Organic
11.
This describes how a mineral looks if it breaks in an irregular way.
a)
Cleavage
b)
Fracture
c)
Inorganic
d)
Organic
12.
The three major rock groups are:
a)
Inorganic, Metamorphic, and  Sedimentary
b)
Inorganic, Metamorphosis, and Sediment
c)
Igneous, Metamorphic, and Sediment
d)
Igneous, Metamorphic, and Sedimentary
13.
This rock  is formed from molten rock (magma/lava) that has cooled.
a)
Igneous
b)
Inorganic
c)
Metamorphic
d)
Sedimentary
14.
This rock is formed from lava on  the earth's  surface
a)
Inorganic
b)
Igneous
c)
Metamorphic
d)
Sedimentary
15.
This rock is formed by erosion (continuously broken down into small fragments) and  then is compressed and  cemented together.
a)
Inorganic
b)
Igneous
c)
Metamorphic
d)
Sedimentary
16.
When identifying minerals, _______ can be tested by scratching the surface with different materials such as your fingernail or a coin.
a)
Cleavage
b)
Density
c)
Hardness
d)
Streak
17.

1. Rock sediments that travel down a mountain, sand being blown across the beach, and mud sliding down a hill are all examples of

a)

pressing and cementing

b)

erosion

c)

part of the rock cycle

d)

fossil formation

18.

The remains of living things that died long ago are often found in what type of rock?

a)

igneous rocks

b)

sedimentary rock

c)

metamorphic rock

d)

all rocks

19.
What property of rock is being observed when looking for what color is left after scratching it on a ceramic plate?
a)
hardness
b)
color
c)
cleavage
d)
streak
20.

Once magma reaches the earth's surface, it is called __________.

a)

a vent

b)

minerals

c)

igneous rocks

d)

lava

21.

Rocks that are buried deep in the earth can be changed into an entirely new rock when it goes through what?

a)

weathering and erosion

b)

pressing and cementing

c)

heat and pressure

d)

cooling and hardening

22.

Which rock is formed by layers of material that settled on the bottom of an ocean?

a)

sedimentary

b)

igneous

c)

metamorphic

d)

obsidian

23.

Minerals and rocks are not exactly the same. How are minerals and rocks related to each other?

a)

Minerals are groups of related rocks.

b)

Minerals have crystals, but rocks do not.

c)

Rocks are made up of one or more minerals.

d)

Rocks contain different chemical compounds than minerals.

24.

Sheila is classifying the rocks in her collection. She knows that limestone often contains fossils. In which category of rock should she classify these rocks?

a)

igneous

b)

granite

c)

metamorphic

d)

sedimentary

25.

Both igneous rock and sedimentary rock can turn into metamorphic rock. What two conditions are necessary for this to happen?

a)

heat and erosion

b)

heat and pressure

c)

weathering and erosion

d)

weathering and pressure

26.
Which type of rock forms from extreme heat and pressure?
a)
Igneous
b)
Sedimentary
c)
Organic
d)
Metamorphic
27.
A metamorphic rock changes into an igneous rock by what two processes?
a)
Melting and cooling
b)
Extreme heat and pressure
c)
Compaction and cementation
d)
Weathering and erosion
28.
Wind, water, and ice breaking down rock is called
a)
Erosion
b)
Deposition
c)
Compaction
d)
Weathering
29.
What is the MAIN way rocks are classified?
a)
Their color and shapes
b)
How they form
c)
Mineral bands
d)
Where they form
30.
True/False: Igneous rocks can only turn into metamorphic rocks.
a)
True
b)
False
31.
The process in which dissolved minerals crystallize and glue sediment together.
a)
compaction
b)
deposition
c)
organic rock
d)
cementation
32.
When sediments are pressed together tightly, this is called ____________.
a)
Compaction
b)
Cementation
c)
Weathering
d)
Erosion
33.
This rock was found near the mouth of a volcano. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
34.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
35.
This rock started as lava that cooled and then was heated and put under pressure over time. What type of rock is this?
a)
Sedimentar
b)
Igneous
c)
Metamorphic
36.
This rock cooled on the outside of a volcano and contained air bubbles when it was forming. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
37.
After lots of time, pressure, and heat, you get this kind of rock. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
38.
Each rock type can follow only one pathway of the rock cycle.
a)
True
b)
False
39.
What geologic process can change granite (igneous rock) into gneiss (metamorphic rock)?
a)
Compacting and cementing
b)
Cooling 
c)
Heat and pressure
d)
Melting
40.

What type of rock is formed from slow cooling magma UNDER the earth's surface?

a)

Extrusive Igneous

b)

Intrusive Igneous

c)

Metamorphic

d)

Sediment

41.

The seated sculpture of President Lincoln inside the Lincoln Memorial was carved out of white Georgia marble (formed from Earth's pressure and heat). What type of is marble?

a)

Igneous

b)

Metamorphic

c)

Sedimentary

d)

None of the above

42.

Which characteristic is common to EXTRUSIVE igneous rocks?

a)

Crystals

b)

Fossils

c)

Glassy surface

d)

Ribbonlike layers

43.

Identify the series of geologic processes that can transform magma into granite (igneous rock), granite into sand (sediment), and sand into sandstone (sedimentary rock).

a)

Cooling; weathering and erosion; compacting and cementing

b)

Melting; heat and pressure; cooling

c)

Weathering and erosion; compacting and cementing;

d)

Weathering and erosion; compacting and cementing; heat and pressure

44.
Which type of rock is made by small bits of rock, mud, or sand compacted and cemented together?
a)
Coal
b)
igneous
c)
metamorphic
d)
sedimentary
45.

This rock is often found near water.

a)

Sedimentary

b)

Igneous

c)

Metamorphic

46.
Has large crystals because of slow cooling
a)
sedimentary rock
b)
metamorphic rock
c)
intrusive igneous rock
d)
extrusive igneous rock
47.
Has small or no crystals because of rapid cooling
a)
sedimentary
b)
metamorphic
c)
extrusive igneous
d)
intrusive igneous
48.

When camping in west Texas, we wake one morning to discover that our car and tent are covered with a thin layer of sand. This is an example of:

a)

weathering

b)

erosion

c)

deposition

49.

When we walk along the seashore, we look for shark teeth in the sand. Sometimes we also find unbroken sand dollars, too. This is an example of

a)

weathering

b)

erosion

c)

deposition

50.

Soil is made of ---

a)

weathered rocks and minerals.

b)

dead plants and animals.

c)

air and water.

d)

all of the above

51.

Wind is a non-renewable energy source.

a)

True

b)

False

52.

Choose the example(s) of a non-renewable resource.

a)

Oil

b)

Coal

c)

Natural gas

d)

All of the Above

53.

Can a renewable resource become a non-renewable resource?

a)

Yes

b)

No

54.

A non renewable resource formed from the remains of prehistoric plants and animals

a)

Alternative energy

b)

'Water cycle

c)

Landforms

d)

Fossil fuels

55.

What are nonrenewable resources?

a)

Natural resources that cannot be easily replaced once they are used up

b)

Resources that are not affected by human activity

c)

Man-made resources that are not easily replaced

d)

Resources that can be easily replaced once they are used up

56.

Give an example of a nonrenewable resource.

a)

Solar energy

b)

Fossil fuels

c)

Hydroelectric power

d)

Wind power

57.

What are renewable resources?

a)

Resources that are harmful to the environment

b)

Resources that can only be used once and then disappear

c)

Resources that are not found in nature

d)

Natural resources that can be replenished or regenerated within a human lifetime

58.

Give an example of a renewable resource.

a)

Coal

b)

Natural gas

c)

Solar energy

d)

Oil

59.
What term refers to the regular, geometric shapes that occur in many minerals?
a)
fracture
b)
crystal
c)
composition
d)
none of the above
60.

What mineral property is shown in the picture?

a)

hardness

b)

cleavage

c)

fracture

d)

streak

61.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
62.
__________ energy is the energy due to an object's position or condition
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
63.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
64.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
65.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
both
d)
neither
66.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
67.
Which point has the most potential energy?
a)
D
b)
F
c)
B
d)
A
68.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
69.
Which point has the greatest kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
70.
What is happening to the energy of the girl from point A to point B
a)
kinetic changes to potential
b)
potential changes to kinetic
c)
energy is lost
d)
energy is gained
71.
The law of conservation of energy means ________________________
a)
Energy CAN be created and destroyed or transformed
b)
Energy can be used up or transformed
c)
Energy CANNOT be created or destroyed, only transformed
d)
Energy cannot be transformed
72.
Why won't the roller coaster reach over the second hill?
a)
because it is going slow
b)
because energy cannot be created
c)
because it is going fast
d)
because energy cannot be destroyed
73.
Which has the greatest gravitational potential energy?
a)
a minicooper
b)
a semi truck
c)
a human
d)
a baby
74.
Which point has greatest kinetic energy?
a)
A
b)
B
c)
C
d)
none
75.
When does that ball have the greatest potential energy?
a)
A
b)
B
c)
C
d)
D
76.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
77.
When a pendulum swings, at which point is potential energy at its greatest? (assume there is no friction)
a)
1 and 5
b)
2 and 4
c)
3 
d)
4 and 5
78.

The ability to do work (move) is called...

a)

Matter

b)

Energy

c)

Weight

d)

Force

79.

True or false: Energy cannot change from one type to another.

a)

True

b)

False

80.

Which of the following is an example of thermal energy?

a)

A light bulb

b)

The movement of a car

c)

The digestion of food

d)

Heat from a fire

81.

Faster moving atoms and molecules are associated with...

a)

Low thermal energy (cooler)

b)

High thermal energy (hotter)

82.

The State in which matter has defined shape and volume

a)

Solid

b)

Liquid

c)

gas

d)

Plasma

83.

KINETIC ENERGY IS THE ENERGY OF MOVEMENT

a)

TRUE

b)

FALSE

84.

When liquid turns into solid the particles of the matter

a)

Moves slower, closer,and begins to pack tightly

b)

moves faster and escapes into the air

c)

neither moves slower or faster

d)

moves rapidly

85.

WHEN HEAT ENERGY IS ADDED TO MATTER THE KINETIC ENERGY 

a)

INCREASES

b)

DECREASES

c)

STAYS THE SAME 

d)

NEITHER 

86.

As heat energy is added to liquid, the water molecules (particles) have enough energy to

a)

break up, spread apart, and turn into gas

b)

bond and turn into solid

c)

bond and break up

d)

neither

87.

When heat energy increases, the solid matter begins to turn back into liquid matter. Particles starts to

a)

move faster and break apart

b)

moves slower and bond

c)

escape into the atmosphere

d)

neither slower of faster

88.

What is the boiling point ?

a)

0°C0\degree C  

b)

100°C100\degree C  

c)

10°C10\degree C  

d)

50°C50\degree C  

89.

I drive for 3 hours at 60 miles per hour. How far do I get?

What is the unknown in this problem?

a)

distance

b)

speed

c)

time

90.

I drive for 3 hours at 60 miles per hour. How far do I get?

What equation should I use to solve this problem?

a)

distance = speed/time

b)

speed = distance/time

c)

distance = speed * time

91.

I drive for 3 hours at 60 miles per hour. How far do I get?

What are the units of the answer?

a)

miles/hour

b)

miles

c)

hours

92.

How long will it take me to drive 240 miles at 60 miles per hour?

what are the units of the answer to this question?

a)

miles/hour

b)

miles

c)

hours

93.

How long will it take me to drive 240 miles at 60 miles per hour?

What equation will best help me answer this question?

a)

distance = speed * time

b)

time = distance * speed

c)

time = distance / speed

94.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
95.

Match the description to the graph:

"The car is stopped."

a)
b)
c)
d)
96.

Match the description to the graph:

"The speed of the car is decreasing."

a)
b)
c)
d)
97.

What is the speed of an object that travels 100 meters in 4 seconds?

a)

240 m/s

b)

15 m/s

c)

25 m/s

d)

15 mph

98.
Velocity is
a)
speed and acceleration
b)
constant speed
c)
a frame of reference
d)
speed in a given direction
99.

You walk 75 meters to math class in 25 seconds. Your average speed is

a)

2 m/s

b)

3 m/s

c)

200 m/s

d)

5 m/s

100.

A train travels 20 km in .5 hrs. How fast is the train going?

a)

25 miles/hr

b)

5 miles/hr

c)

10 km/hr

d)

40 km/hr

101.

A car travels 25 miles/hr for 5 hours, calculate the distance it will travel

a)

125 miles

b)

10 miles

c)

5 miles

d)

30 km

102.

A boat travels at 30 km/hr for 10 hrs, what distance will it travel?

a)

40 miles

b)

3 km

c)

30 km

d)

300 km

103.
What is the speed of a man who runs 10 miles in 1 hr?
a)
20 miles
b)
10 m/min
c)
10 miles/hr
d)
20 hrs
104.
Which thermometers temperature is about  25° Celcius?
a)
Blue
b)
Green
c)
Blue
d)
Blue and Green
105.

the temperature scale on which water freezes at 0 and boils at 100

a)

Kelvin scale

b)

conduction

c)

Fahrenheit scale

d)

Celsius scale

106.

All living things have only one cell.

a)

True

b)

False

107.
What tool is used by scientists to observe cells?
a)
balance
b)
binoculars
c)
telescope
d)
microscope
108.
A group of cells make up a ______
a)
cell
b)
organ
c)
tissue
d)
system
109.
The esophagus, stomach and intestines are part of what system?
a)
nervous system
b)
circulatory system
c)
digestive system
110.
What is the job of the nucleus?
a)
gel like substance
b)
power house of the cell
c)
control center
d)
storage area
111.
What is the job of the vacuole?
a)
gel like substance
b)
power house of the cell
c)
control center
d)
storage area
112.
What is the job of the ribosomes?
a)
manufactures proteins
b)
power house of the cell
c)
control center
d)
storage area
113.
What is the job of the mitochondria?
a)
gel like substance
b)
power house of the cell
c)
control center
d)
storage area
114.
What is the order from smallest to largest?
a)
cell, tissue, organ, organ system, organism
b)
system, organ, tissue, cell, organism
115.
What two cell parts are found only in plant cells?
a)
cell membrane and chloroplasts
b)
cell wall and choloroplasts
116.
All living things are made up of...
a)
cells
b)
cell tissues
c)
organ
d)
organ systems
117.
All cells come from___________ cells.
a)
pregnant
b)
pre-existing
c)
paternal
d)
pin size
118.

All cells -----

a)

come from other dead cells

b)

come from other living cells

c)

crystallize out of the air

119.
Cells are often called "the ____ of life."
a)
bread
b)
road map
c)
building blocks
d)
meaning
120.
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.
121.

  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.

122.

Prokaryotes are _______________ and include ______________.

a)

single cells, DNA but not a nucleus.

b)

multiple cells, a nucleus with DNA

123.

Eukaryotic cells have...

a)

DNA but no nucleus.

b)

a nucleus with DNA and organelles.

124.

Eukaryotic cells can include ______________. *Select all that apply.

a)

protists

b)

plants

c)

animals

d)

fungi

125.

One main difference between prokaryotic and eukaryotic cells is that...

a)

only prokaryotic cells have cell walls

b)

only eukaryotic cells have a nucleus

c)

only prokaryotic cells have ribosomes

d)

only eukaryotic cells have DNA

126.

Which part of the cell allows material to pass in and out of the cell?

a)

nucleus

b)

cell membrane

c)

cytoplasm

d)

Chloroplast

127.

Animals cells and plant cells are exactly the same.

a)

True

b)

False

128.

Only ____________ cells have a cell wall instead of a cell membrane.

a)

plant

b)

animal

c)

white blood

d)

living

129.
What in the cell has the instructions to tell it what type of cell it needs to be?
a)
DNA / Genes
b)
Cytoplasm
c)
Cell Membrane
d)
Mitochrondria
130.
A fireplace put out heat (energy) in a house. Which part of the cell is this most like?
a)
Nucelus
b)
Mitochondria
c)
Cell Membrane
d)
Rhibosome
131.

There are two classifications of cells-Prokaryotic and Eukaryotic.

a)

True

b)

False

132.

What is the major difference between a Eukaryotic and Prokaryotic cell?

a)

Eukaryotes have a nucleus.

b)

Prokaryotes have a nucleus

c)

Eukaryotes have a membrane.

d)

Prokaryotes have sugars.

133.

Which is more complex?

a)

Prokaryotic Cell

b)

Eukaryotic Cell

134.

Prokaryotic cells are less complex and have only a few organelles.

a)

True

b)

False

135.

Which of the cells are PROKARYOTIC (CHECK ALL THAT APPLY)?

a)

1

b)

2

c)

3

d)

4

136.

The jelly-like fluid inside of the cell. It holds the organelles in place.

a)

cytoplasm

b)

chloroplasts

c)

cell membrane

d)

cytokinesis

137.

Responsible for packaging, modifying, and moving substances from the cell.

a)

mitochondria

b)

Golgi apparatus

c)

smooth ER

d)

rough ER

138.

Jelly bean shaped structures that break down food molecules and release energy.

a)

chloroplasts

b)

lysosomes

c)

cytoplasm

d)

mitochondria

139.

The control center of the cell. It houses DNA.

a)

nucleus

b)

nucleolus

c)

mitochondria

d)

cell membrane

140.

These are liquid filled spaces found in animal cells.

a)

lysosomes

b)

vacuoles

c)

ribosomes

d)

chloroplasts

141.

These are round organelles that digest waste, old cell parts and food.

a)

ribosomes

b)

lysosomes

c)

chloroplasts

d)

vacuoles

142.

This is a rigid structure that provides support to plant cells.

a)

cell membrane

b)

cell wall

c)

cell gateway

d)

central vacuole

143.

These organelles contain green chlorophyll. They make food for plants.

a)

lysosmes

b)

chloroplasts

c)

ribosomes

d)

vacuoles

144.

This stores water in plant cells.

a)

chloroplasts

b)

cell wall

c)

lysosomes

d)

central vacuole

145.

These are protein builders. They are located on the rough ER.

a)

vacuoles

b)

lysosomes

c)

mitochondria

d)

ribosomes

146.

What makes the rough ER rough?

a)

lysosomes

b)

vacuoles

c)

chloroplasts

d)

ribosomes

147.

How many chloroplasts are found in an animal cell?

a)

0

b)

1 or 2

c)

4 or 5

d)

many

148.

Which of these is not found in the animal cell and is found in the plant cell? Pick more than one

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

149.

What is #2 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

150.

What is #1 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

151.

What is #3 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

152.

What is #4 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

153.

What is #5 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

154.

What is #1 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

155.

What is #2 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

156.

In which cell type are chloroplasts found?

a)

Animal Cell

b)

Plant Cell

c)

Both

157.

Organisms made of one cell are known as

a)

multicellular

b)

unicellular

c)

epithelial

d)

epidermal

158.

Which is an example of a multi-cellular organism?

a)

frog

b)

chlorella

c)

fungi

d)

bacteria

159.

Which is an example of a single celled organism?

a)

amoeba

b)

chlorella

c)

fungi

d)

all of the above

160.
DNA and RNA are examples of...
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
161.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
162.

What is the simplest and smallest part of matter? 

a)

Cells

b)

Protein

c)

Atoms

d)

Molecules

163.

A(n) ________ is formed when 2 or more elements combine chemically.

a)

element

b)

atom

c)

lipid

d)

compound

164.

______ contains genetic information. 

a)

atoms

b)

DNA

c)

Lipi

165.

_______ store energy and form cell membranes.

a)

Carbohydrates

b)

Proteins

c)

Nucleic Acid

d)

Lipids

166.
What type of molecule provides immediate energy in cells?  
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
167.

What is the function of proteins?

a)

provides quick energy

b)

stores energy

c)

helps with growth and repair of tissues

d)

stores genetic information

168.

What is the function of nucleic acid?

a)

provides quick energy

b)

stores energy

c)

helps with growth and repair of tissues

d)

stores genetic information

169.

Which are examples of a carbohydrate?

a)

glucose, pasta, bread

b)

fats, oils, waxes

c)

meats, enzyme, lactase, eggs

d)

DNA, RNA

170.

Which are examples of lipids?

a)

glucose, pasta, bread

b)

fats, oils, waxes

c)

meats, enzyme, lactase, eggs

d)

DNA, RNA

171.
Which biomolecule is made of nucleotides and contain you DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
172.
Which biomolecule is responsible for insulation and energy storage?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
173.

What is the most complex level of organization?

a)

organs

b)

organisms

c)

animal cells

d)

organ systems

174.

What is an example of an organ?

a)

plants

b)

Nerve tissues

c)

Liver

d)

Digestive system

175.

small bodies with a specific function within a cell

a)
Cells
b)
Tissues
c)
Organelles
d)
Molecules

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