The second member of the alkane series, CH3CH3, is named ______________.
Fill in the blank(s) with correct word
Question 2
Besides fossil fuels, the only other significant commercial sources of energy are ______________ and ______________.
Fill in the blank(s) with correct word
Question 3
The simplest member of the alkane series is named ______________.
Fill in the blank(s) with correct word
Question 4
Energy sources that would be nonpolluting supplements to our energy are called ______________ fuels.
Fill in the blank(s) with correct word
Question 5
Both starch and cellulose are polymers of the monomer named ______________.
Fill in the blank(s) with correct word
Question 6
The United States' most abundant fuel supply is ______________.
Fill in the blank(s) with correct word
Question 7
Chemically combining glucose and fructose produces the compound named ______________.
Fill in the blank(s) with correct word
Question 8
The SI unit of power is the ______________.
Fill in the blank(s) with correct word
Question 9
The compound methyl salicylate is commonly called ______________.
Fill in the blank(s) with correct word
Question 10
A watt is one ______________ per second.
Fill in the blank(s) with correct word
Question 11
CH2 OHCHOHCH2 OH is the structural formula for the compound named ______________.
Fill in the blank(s) with correct word
Question 12
A 2-hp motor can do the same amount of work as a 1-hp motor in ______________ the time. n
Fill in the blank(s) with correct word
Question 13
CH3COOH is the structural formula for the compound named ______________.
Fill in the blank(s) with correct word
Question 14
A horsepower is a unit of power equal to 550 ______________.
Fill in the blank(s) with correct word
Question 15
CH3OH is the structural formula for the compound named ______________.
Fill in the blank(s) with correct word
Question 16
The time rate of doing work is called ______________.
Fill in the blank(s) with correct word
Question 17
CH3CH2OH is the structural formula for the compound named ______________.
Fill in the blank(s) with correct word
Question 18
With a constant braking force, the stopping distance of a car is proportional to ______________.
Fill in the blank(s) with correct word
Question 19
A(n) ______________ is a material whose basic molecule has no duplicate in nature.
Fill in the blank(s) with correct word
Question 20
Gravitational potential energy is equal to the ______________ of an object times its height.
Fill in the blank(s) with correct word
Question 21
A monomer may be repeated many times in the formation of a chainlike molecule called a(n) ______________.
Fill in the blank(s) with correct word
Question 22
A negative potential energy may be made positive by changing the ______________ point.
Fill in the blank(s) with correct word
Question 23
Synthetic compounds that can be molded and hardened are called ______________.
Fill in the blank(s) with correct word
Question 24
The value of an object's gravitational potential energy depends on the ______________.
Fill in the blank(s) with correct word
Question 25
Nylon is a polyamide; Dacron is a(n) ______________.
Fill in the blank(s) with correct word
Question 26
When the height of an object is doubled, its gravitational potential energy is increased by a factor of ______________.
Fill in the blank(s) with correct word
Question 27
In large molecules, the fundamental repeating units are called ______________.
Fill in the blank(s) with correct word
Question 28
When a moving object's velocity doubles, its kinetic energy increases by a factor of ______________.
Fill in the blank(s) with correct word
Question 29
The sodium salt of a fatty acid is known as a(n) ______________.
Fill in the blank(s) with correct word
Question 30
When the kinetic energy of a simple pendulum decreases, the ______________ of the pendulum increases.
Fill in the blank(s) with correct word
Question 31
The term detergent means cleansing agent and commonly refers to a(n) ______________ substitute.
Fill in the blank(s) with correct word
Question 32
According to the law of conservation of energy, energy cannot be ______________ or ______________.
Fill in the blank(s) with correct word
Question 33
When cottonseed oil (a liquid) is hydrogenated, the solid fat called ______________ is obtained.
Fill in the blank(s) with correct word
Question 34
The kilowatt-hour is a unit of ______________.
Fill in the blank(s) with correct word
Question 35
The main component of the cell walls of plants is the carbohydrate called ______________.
Fill in the blank(s) with correct word
Question 36
In changing from one form to another, energy is always ______________.
Fill in the blank(s) with correct word
Question 37
______________ has the general formula (C6H10O5)n, where n may take on values up to 3000.
Fill in the blank(s) with correct word
Question 38
A system for which there are no outside effects is said to be ______________.
Fill in the blank(s) with correct word
Question 39
The complex chemical combinations of amino acids that are essential ingredients in living cells are called ______________.
Fill in the blank(s) with correct word
Question 40
Energy resulting from motion is called ______________.
Fill in the blank(s) with correct word
Question 41
When a fat is treated with NaOH, the ester bonds break to form glycerol and the sodium salts of fatty acids, which are known as ______________.
Fill in the blank(s) with correct word
Question 42
Kinetic and potential energies are forms of ______________ energy.
Fill in the blank(s) with correct word
Question 43
Sugars, starches, and cellulose are all classified as compounds called ______________.
Fill in the blank(s) with correct word
Question 44
The sum of the kinetic energy and potential energy is called ______________ energy.
Fill in the blank(s) with correct word
Question 45
Carboxylic acids are characterized by the molecular arrangement COOH, called the ______________ group.
Fill in the blank(s) with correct word
Question 46
The kinetic energy of a pendulum is ______________ at the bottom of its swing.
Fill in the blank(s) with correct word
Question 47
A carboxylic acid reacting with an alcohol forms water and a(n)______________.
Fill in the blank(s) with correct word
Question 48
The two types of mechanical energy are ______________ and ______________.
Fill in the blank(s) with correct word
Question 49
An alcohol is distinguished by having one or more ______________ groups in the molecule.
Fill in the blank(s) with correct word
Question 50
In pushing an object on a level surface, work is done against ______________.
Fill in the blank(s) with correct word
Question 51
Any chemical that can cause cancer is called a(n) ______________.
Fill in the blank(s) with correct word
Question 52
In lifting an object, work is done against ______________.
Fill in the blank(s) with correct word
Question 53
The simplest member of the aromatic hydrocarbons is named ______________.
Fill in the blank(s) with correct word
Question 54
The units of work are the same as those of ______________.
Fill in the blank(s) with correct word
Question 55
The hydrocarbon symbolized by a square is called ______________.
Fill in the blank(s) with correct word
Question 56
The product of one ______________ and one meter is one joule.
Fill in the blank(s) with correct word
Question 57
A saturated hydrocarbon contains only ______________ bonds, and its hydrogen content is at a maximum.
Fill in the blank(s) with correct word
Question 58
The product of force times parallel distance is called ______________.
Fill in the blank(s) with correct word
Question 59
Hydrocarbons that have the composition that satisfies the general formula CnH2n can be either alkenes or ______________.
Fill in the blank(s) with correct word
Question 60
Work is the process by which energy is ______________.
Fill in the blank(s) with correct word
Question 61
Hydrocarbons with a carbon-carbon triple bond are called ______________.
Fill in the blank(s) with correct word
Question 62
The process by which electricity can be generated by using running or falling water is known as
a. groundwater generation.
b. hydroelectric generation.
c. geothermal generation.
d. steam generation.
Question 63
Hydrocarbons with the general formula CnH2n+2 are called ______________.
Fill in the blank(s) with correct word
Question 64
Energy provided directly from Earth's interior is called
a. groundwater energy.
b. geothermal energy.
c. artesian energy.
d. thermionic energy.
Question 65
Compounds of carbon are classified as ______________ compounds.
Fill in the blank(s) with correct word
Question 66
Which of the following sources of energy presents the fewest pollution problems under normal operating conditions?
a. Coal
b. Natural gas
c. Nuclear fission
d. Hydroelectric power
Question 67
n-Butane and isobutane are the two ______________ of C4H10.
Fill in the blank(s) with correct word
Question 68
For which of the following reasons is production of ethanol unwise?
a. Pollutants aren't significantly reduced.
b. It takes twice as much fossil-fuel energy to produce ethanol than the ethanol that is produced supplies.
c. It can drive costs of corn higher.
d. All of the above.
Question 69
Compounds containing only carbon and hydrogen are known as ______________.
Fill in the blank(s) with correct word
Question 70
A mixture of ethanol and gasoline is called
a. ethaline.
b. gasanine.
c. gasohol.
d. gethanine.
Question 71
A(n) ______________ is formed by replacing a hydrogen atom in a hydrocarbon with a halogen atom.
Fill in the blank(s) with correct word
Question 72
Some food costs may rise in the future as a consequence of the increased use of which food-based fuel?
a. Ethanol
b. Gasoline
c. Oil
d. Coal
Question 73
Alkanes minus one hydrogen atom are called ______________ groups.
Fill in the blank(s) with correct word
Question 74
It is estimated that the global reserve of methane hydrate is ______________ the global reserves of coal, oil, and natural gas.
a. equal to
b. less than
c. twice
d. ten times
Question 75
If a hydrocarbon is not aliphatic, it is ______________.
Fill in the blank(s) with correct word
Question 76
One positive aspect of the potential use of methane hydrate as a fuel is that
a. there is more of it than there is of coal, oil, and natural gas.
b. it is easy to mine.
c. its use will never contribute to global warming.
d. it exists in a pure form ready for use.
Question 77
The continuous-chain alkane with the formula C6H14 is named ______________.
Fill in the blank(s) with correct word
Question 78
Which of the following is(are) drawbacks to the use of methane hydrate as a fuel?
a. When melted, it produces methane, a greenhouse gas.
b. It is difficult to mine as a solid located at the bottom of the oceans.
c. It is mixed with water.
d. All of these are drawbacks associated with methane hydrate.
Question 79
Ethyne, HCCH, is also named ______________.
Fill in the blank(s) with correct word
Question 80
Ice that burns is better known as
a. propane.
b. frozen oil.
c. coal.
d. methane hydrate.
Question 81
An oxygen atom can bond to ______________ other atom(s).
Fill in the blank(s) with correct word
Question 82
Although the United States has less than 5 of the world's population, it accounts for approximately ______________ of the world's annual consumption of fossil fuels.
a. 15
b. 25
c. 35
d. 45
Question 83
______________ is the study of the compounds and reactions that occur in living cells.
Fill in the blank(s) with correct word
Question 84
Currently, in the United States, which sector of the economy uses the most energy?
a. Industry
b. Transportation
c. Commercial
d. Residential
Question 85
Propene and cyclopropane are
a. the same compound.
b. isomers.
c. neither isomers nor the same compound.
Question 86
Currently, in the United States, which fuel is utilized to produce the majority of electrical power?
a. Oil
b. Natural gas
c. Coal
d. Nuclear
Question 87
Which of the following could be the formula of an alkyne?
a. C6H6
b. C6H10
c. C6H12
d. C6H14
Question 88
Currently, in the United States, which fuel has the largest consumption?
a. Oil
b. Natural gas
c. Coal
d. Nuclear
Question 89
Socrates died from ingesting the alkaloid named
a. nicotine.
b. caffeine.
c. quinine.
d. coniine.
Question 90
The largest reserve of energy in the United States is in what form?
a. Oil
b. Natural gas
c. Coal
d. Nuclear
Question 91
1-Fluoropentane and 5-fluoropentane are
a. isomers.
b. neither isomers nor the same compound.
c. the same compound.
Question 92
The average adult radiates heat energy at the same rate as
a. a 10-W light bulb.
b. a 100-kW light bulb.
c. a 100-W light bulb.
d. none of these.
Question 93
Addition polymers are formed from
a. diacids only.
b. alkenes.
c. dialcohols only.
d. diacids and dialcohols together.
Question 94
Which of the following is not a scalar quantity?
a. Kinetic energy
b. Potential energy
c. Power
d. Work
e. None of these; that is, they are all scalar quantities.
Question 95
Molecules of which monomer could, by themselves, form a condensation polymer?
a. HOCH2CH2NH2
b. H2NCH2COOH
c. HOCH2CH2OH
d. HOOCCOOH
Question 96
Which of the following is a unit of energy?
a. kilowatt-hour
b. newton
c. joules per second
d. newton-second
e. none of these
Question 97
A functional group is
a. exemplified by the R in ROH.
b. a vertical column in the periodic table.
c. exemplified by the COOH in RCOOH.
d. a horizontal row in the periodic table.
Question 98
Which of the following is a unit of power?
a. kilowatt-hour
b. newton
c. joules per second
d. foot-pound
e. none of these
Question 99
Which of the following could be the monomer of an addition polymer?
a. CCl4
b. Cl2C=CH2
c. CHCl3
d. Cl3C=CCl3
Question 100
A kilowatt-hour is a unit that measures
a. work per unit of time.
b. energy.
c. power.
d. work time.
Question 101
To which group of polymers does PVC belong?
a. Natural
b. Hydrolytic
c. Addition
d. Condensation
Question 102
What is bought from an electric company?
a. Electrical energy
b. Electric charge
c. Electrical power
d. None of these
Question 103
To which group of polymers does Teflon belong?
a. Natural
b. Hydrolytic
c. Addition
d. Condensation
Question 104
Which of the following is not a unit of power?
a. ft lb/s
b. kW h
c. J/s
d. watt
Question 105
To which group of polymers does polystyrene belong?
a. Natural
b. Hydrolytic
c. Addition
d. Condensation
Question 106
Which of the following is not a unit of power?
a. ft lb/s
b. N m
c. J/s
d. watt
Question 107
To which group of polymers does Mylar belong?
a. Natural
b. Hydrolytic
c. Addition
d. Condensation
Question 108
One watt is equal to one joule per ______________.
a. second
b. newton
c. hour
d. kilogram
Question 109
To which group of polymers does Dacron belong?
a. Natural
b. Hydrolytic
c. Addition
d. Condensation
Question 110
One ______________ is equal to one joule per second.
a. kilogram
b. newton
c. pound
d. watt
Question 111
To which group of polymers does nylon belong?
a. Natural
b. Hydrolytic
c. Addition
d. Condensation
Question 112
One watt is equal to ______________ per second.
a. one kilogram
b. one newton
c. one joule
d. one meter
Question 113
Which of the following polymers is a hydrocarbon?
a. Polyethylene
b. PVC
c. Teflon
d. Dacron
Question 114
Power is
a. the time rate of doing work.
b. the time rate of doing velocity.
c. the time rate of doing momentum.
d. the time rate of doing force.
Question 115
Which of the following was the first synthetic compound to be made?
a. Neoprene
b. Polyethylene
c. Bakelite
d. Nylon
Question 116
Power is
a. work divided by time.
b. velocity multiplied by time.
c. momentum divided by time.
d. energy multiplied by time.
Question 117
Polymers are formed from fundamental repeating units called
a. groups.
b. amino acids.
c. complexes.
d. monomers.
Question 118
A system may
a. be isolated.
b. have real boundaries.
c. have imaginary boundaries.
d. all of these
Question 119
A solution of what sugar is used for intravenous feeding in a hospital?
a. Sucrose
b. Fructose
c. Glucose
d. Lactose
Question 120
Mechanical energy
a. is the automobile energy.
b. is the sum of kinetic and potential energies.
c. is the kinetic energy.
d. is the potential energy.
Question 121
During ester formation, the OH is removed from the
a. carboxylic acid.
b. amine.
c. alcohol.
d. sugar.
Question 122
Mechanical energy
a. is always the total energy of a system.
b. is the sum of the energies of motion and position.
c. is always conserved.
d. necessarily involves gravitational potential energy.
Question 123
The general formula R-NH2 is that of
a. an amine.
b. an alkyl halide.
c. an alcohol.
d. none of these
Question 124
The energy of a system
a. always increases.
b. always remains constant.
c. increases when work is done by the system.
d. increases when work is done on the system.
Question 125
The general formula ROH is that of
a. an amine.
b. an alkyl halide.
c. an alcohol.
d. none of these
Question 126
The energy of a system
a. always increases.
b. always remains constant.
c. decreases when work is done by the system.
d. decreases when work is done on the system.
Question 127
The general formula R-X is that of
a. an amine.
b. an alkyl halide.
c. an alcohol.
d. none of these
Question 128
We define the total mechanical energy of an object as
a. potential energy plus kinetic energy.
b. inertial energy plus kinetic energy.
c. gravitational energy plus potential energy.
d. mental energy plus physical energy.
Question 129
The process by which liquid fats, such as vegetable oils, can be converted to solid fats is called
a. hydrogenation.
b. saturation.
c. carbonation.
d. oxygenation.
Question 130
If you lift a 15-N weight vertically 30 m above the ground, you are
a. doing work against gravity.
b. doing work against friction.
c. doing work against inertia.
d. doing none of these.
Question 131
Which of the following compounds has two hydroxyl groups?
a. Ethylene glycol
b. Ethanol
c. Glycerol
d. Cholesterol
Question 132
Potential-energy values may be
a. positive only.
b. negative only.
c. zero only.
d. all of these.
Question 133
Which carbohydrate cannot be digested by humans as a direct source of energy?
a. Fructose
b. Glucose
c. Sucrose
d. Cellulose
e. Starch
Question 134
The energy of position is called
a. potential energy.
b. power.
c. kinetic energy.
d. heat.
Question 135
Which compound has three hydroxyl groups?
a. Ethylene glycol
b. Ethanol
c. Cholesterol
d. Glycerol
Question 136
Which of the following four objects has different kinetic energy?
a. An object of mass m moving with speed 4v
b. An object of mass 4m moving with speed 2v
c. An object of mass 16m moving with speed v
d. An object of mass 2m moving with speed 3v
e. None of these; all four objects have the same kinetic energy.
Question 137
The general formula RNH2 is that of
a. an ester.
b. an amine.
c. an amide.
d. none of these
Question 138
Which of the following four objects has the least kinetic energy?
a. An object of mass m moving with speed 4v
b. An object of mass 3m moving with speed 2v
c. An object of mass 4m moving with speed v
d. An object of mass 2m moving with speed 3v
e. None of these; all four objects have the same kinetic energy.
Question 139
Triesters of long-chain acids with glycerol are called
a. condensation polymers.
b. fats.
c. soaps.
d. synthetic detergents.
Question 140
Which of the following four objects has the greatest kinetic energy?
a. An object of mass m moving with speed 4v
b. An object of mass 3m moving with speed 2v
c. An object of mass 4m moving with speed v
d. An object of mass 2m moving with speed 3v
e. None of these; all four objects have the same kinetic energy.
Question 141
Another name for glucose is
a. dextrose.
b. malt sugar.
c. sucrose.
d. lactose.
Question 142
The potential energy of a pendulum is greatest
a. when its potential energy is least.
b. at the top of its swing.
c. at the bottom of its swing.
d. when its total energy is greatest.
Question 143
An advantage of synthetic detergents over soaps is that they
a. do not contain sulfur.
b. dissolve grease.
c. do not form scum in hard water.
d. are more readily biodegradable.
Question 144
The kinetic energy of a pendulum is least
a. when its potential energy is least.
b. at the top of its swing.
c. at the bottom of its swing.
d. when its total energy is greatest.
Question 145
What are the basic building blocks of proteins?
a. Amino acids
b. Starches
c. Sugars
d. Carboxylic acids
Question 146
The potential energy of a pendulum is least
a. when its potential energy is greatest.
b. at the top of its swing.
c. at the bottom of its swing.
d. when its total energy is greatest.
Question 147
Starch is a polymer that consists of long chains of ______________ units.
a. lactose
b. fructose
c. maltose
d. glucose
Question 148
The kinetic energy of a pendulum is greatest
a. when its potential energy is greatest.
b. at the top of its swing.
c. at the bottom of its swing.
d. when its total energy is greatest.
Question 149
We get sucrose and water if we chemically combine
a. fructose and maltose.
b. glucose and fructose.
c. maltose and lactose.
d. glucose and lactose.
Question 150
A student weighing 200 N climbs a flight of stairs 9.0 m high in 4 s. What power is required to perform this task?
a. 1800 J
b. 800 J
c. 1800 W
d. 800 W
e. 450 W
Question 151
The suffix -ol in a compound's name signifies
a. an enzyme.
b. an amide.
c. an alcohol.
d. a carbohydrate.
Question 152
A student weighing 300 N climbed a flight of stairs 5.0 m high in 6 s. How much work was done by the student?
a. 1500 J
b. 1800 J
c. 1500 W
d. 1800 W
e. 50 W
Question 153
Which sugar is a chemically bonded combination of two other sugars?
a. Sucrose
b. Lactose
c. Glucose
d. Fructose
Question 154
A 1000-kg car traveling at 70 m/s takes 3 m to stop under full braking. The same car under similar road conditions, traveling at 140 m/s, takes ______________ m to stop under full braking.
a. 6
b. 1
c. 3
d. 12
e. 11
Question 155
Which sugar is the sweetest of all sugars?
a. Sucrose
b. Lactose
c. Glucose
d. Fructose
Question 156
When a 6-kg object increases its potential energy by 180 J, approximately how has its position changed?
a. It has risen vertically 3 m.
b. It has fallen vertically 3 m.
c. It has risen vertically 30 m.
d. It has moved horizontally 30 m.
Question 157
Which sugar is found in greater than normal amounts in the blood of a diabetic?
a. Sucrose
b. Lactose
c. Glucose
d. Fructose
Question 158
A 4-kg object falls vertically a distance of 5 m. Its potential energy has changed by approximately how much?
a. It has increased by 20 J.
b. It has decreased by 200 J.
c. It has decreased by 20 J.
d. It has increased by 200 J.
Question 159
The suffix -ose in a compound's name signifies a(n)
a. amide.
b. alcohol.
c. carbohydrate.
d. enzyme.
Question 160
An object has kinetic energy of 324 J. If its speed is 9 m/s, what is its mass?
a. 8
b. 36
c. 1620
d. 324
Question 161
Which of the following is not a carbohydrate?
a. Maltose
b. Glucose
c. Fructose
d. Glyceryl tristearate
Question 162
An object of mass 2 kg has a speed of 8 m/s and moves a distance of 6 m. What is its kinetic energy in joules?
a. 64
b. 48
c. 289
d. 16
Question 163
Which of the following is not a carbohydrate?
a. Maltose
b. Glycine
c. Fructose
d. Glucose
Question 164
The energy of motion is called
a. inertia.
b. power.
c. kinetic energy.
d. potential energy.
Question 165
Which of the following is a carbohydrate?
a. Maltose
b. Glycine
c. Ribonucleic acid
d. Glyceryl tristearate
Question 166
The quantity is known as
a. kinetic energy.
b. potential energy.
c. work.
d. energy.
e. power.
Question 167
Which alcohol is used as an antifreeze?
a. 2-Hydroxypropane
b. Ethylene glycol
c. Ethanol
d. Methanol
Question 168
Which of the following is a vector quantity?
a. Force
b. Power
c. Work
d. Time
e. None of these
Question 169
Which alcohol is used in rubbing alcohol?
a. 2-Hydroxypropane
b. Ethylene glycol
c. Ethanol
d. Methanol
Question 170
Which of the following is a vector quantity?
a. Energy
b. Power
c. Work
d. None of these
Question 171
Which simplest alcohol is used in race cars as fuel?
a. 2-Propanol
b. Ethylene glycol
c. Ethanol
d. Methanol
Question 172
The ______________ distance is used in calculating work.
a. normal
b. square of
c. perpendicular
d. parallel
Question 173
Which alcohol is used in beverages?
a. 2-Propanol
b. Ethylene glycol
c. Ethanol
d. Methanol
Question 174
Work requires
a. motion.
b. zero net force.
c. zero momentum.
d. a force perpendicular to the direction of motion.
Question 175
Alcohols are distinguished by the fact that at least one hydrogen atom in a hydrocarbon has been replaced by a(n)
a. carboxyl group.
b. alkyl group.
c. hydroxyl group.
d. oxygen atom.
Question 176
Which of the following is not a unit of work?
a. ft lb
b. N m
c. joule
d. watt
Question 177
Chlorine is not present in
a. CFCs.
b. chloroform.
c. Freon-12.
d. Teflon.
Question 178
A joule per second (J/s) is a
a. Watt.
b. Newton.
c. Kilogram.
d. Second.
Question 179
CH3 CONHCH2 CH3 is an example of a(n)
a. amide.
b. amine.
c. ester.
d. carboxylic acid.
Question 180
A joule/meter (J/m) is a unit of
a. force.
b. work.
c. energy.
d. power.
Question 181
Cholesterol belongs to what class of organic compounds?
a. Alkyl halides
b. Esters
c. Carboxylic acids
d. Alcohols
Question 182
Work is defined as force times
a. distance.
b. time.
c. parallel distance.
d. perpendicular distance.
Question 183
Methyl salicylate is an ester commonly called
a. glycerine.
b. oil of wintergreen.
c. heroin.
d. chloroform.
e. methamphetamine.
Question 184
A comet is traveling at a speed of 50,000 mi/h when it is 100 million miles from the Sun. Compute its speed when it is 25 million miles from the Sun.
Question 185
When a carboxylic acid reacts with an amine, the products are water and a(n)
a. aldehyde.
b. ester.
c. amide.
d. salt.
e. ketone.
Question 186
What is the purpose of having automobile air bags?
A member of the amoebozoan genus Pelomyxa, showing pseudopodia.
A tapeworm, Taenia pisiformis, a member of the class Cestoda.
The killer whale named Old Tom swims alongside a whaling boat, flanking a whale calf. The boat is be
Martha Rosler, Gladiators, from the series House Beautiful: Bringing the War Home. 2004
Always use the viscosity of oil as specified on the oil fill cap.
Biology Fill in the Blank Worksheet