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STAAR - 7TH GRADE REVIEW

Total questions: 172

Worksheet time: 2hrs 16mins

Name
Class
Date
1.
An organism that can make its own food is called?
a)
Consumer
b)
Producer
c)
Decomposer
d)
Herbivore
2.
This type of consumer only feeds on the bodies of dead animals.
a)
Herbivore.
b)
Decomposer.
c)
Carnivore.
d)
Scavenger
3.
Overlapping food chains in an ecosystem make up....
a)
food web
b)
food chain
c)
niche
d)
symbiosis
4.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
5.
A producer is a (n) ______________.
a)
heterotroph
b)
omnitroph
c)
autotroph
d)
oscartroph
6.
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.
7.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
8.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
9.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
10.
The owl receives energy from which organisms?
a)
grasshopper and mouse
b)
mouse and rabbit
c)
rabbit and butterfly
d)
butterfly and frog
11.
The krill is eaten by which consumer?
a)
blue whale
b)
phytoplankton
c)
leopard seal
d)
penguin
12.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
13.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
14.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
15.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
16.
Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is
a)
Used in reproduction
b)
Stored as body fat
c)
Stored as body tissue
d)
Eliminated as heat
17.
A diagram of a food web is shown below.Which organism receives the least amount of energy from the producers?
a)
Hawk
b)
Rabbit
c)
Grasshopper
d)
Mouse
18.
Which organism in the food web is a producer?
a)
Mouse
b)
Owl
c)
Green Plant
d)
Snake
19.
Which organism in this food web is a carnivore?
a)
Mouse
b)
Grasshopper
c)
Green Plant
d)
Snake
20.
What do we call a type of consumer that only eats the remains of dead organisms?
a)
Consumer
b)
Third level consumer
c)
scavenger
d)
omnivore
21.
What is the name for the organism that eats the producer?
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
22.

Which of the following examples represents a physical change?

a)
b)
c)
d)
23.

Which of the following is evidence of a physical change?

a)

new substance

b)

shape change

c)

light produced

d)

gas released

24.

A teacher is demonstrating physical and chemical changes to her class. Which action should they use to demonstrate a chemical change?

a)

Cutting a piece of paper with scissors.

b)

Folding a piece of paper into an airplane.

c)

Ripping a piece of paper with their hands.

d)

Burning a piece of paper with a match.

25.

A physical change is

a)

a change where the characteristics do not change the substance

b)

a change where the characteristics do change the substance

c)

a change where the chemistry changes

26.

What is the definition of chemical change?

a)

any change that results in the formation of one (or more) new chemical substance(s)

b)

changing of only the appearance of the object

c)

matter cannot be created or destroyed, only change form

d)

changes affecting the form of a chemical substance, but not its chemical composition

27.
Which of these is an example of a new substance being formed?
a)
a nail rusting
b)
a wall being painted
c)
water changing to steam
d)
paper being folded
28.

Which example best illustrates a physical change?

a)

iron rusting

b)

charcoal burning

c)

an ice cube melting

d)

a marshmallow burning

29.

A glass bottle that is shattered is a

a)

Chemical Change

b)

Physical Change

30.

Baking soda and vinegar combining to make carbon dioxide is a

a)

Chemical Change

b)

Physical Change

31.

Which of the following are examples of chemical changes? Select all that apply!

a)

Iron Rusting

b)

Gas Burning

c)

Breaking a Glass

d)

Boiling Water

e)

Burning Wood

32.

Sugar dissolving in water is a

a)

Chemical Change

b)

Physical Change

33.

Identify the change shown in the picture.

a)

Irreversible physical change

b)

Irreversible chemical change

c)

reversible physical change

d)

reversible chemical change

34.

Which one describes a physical change?

a)

A change where the chemical makeup of an object changes.

b)

A change where the characteristics do not change the substance.

c)

A change where the substance turns into something new.

d)

The composition of the object changes.

35.

Which of the following is NOT an indicator of chemical changes?

a)

Unexpected color change

b)

Dissolving

c)

Light production

d)

Gas formation

36.

Select ALL the characteristics of a physical change.

a)

changes in appearance only

b)

a new substance is not created

c)

changes the pH level

d)

chemical bonds are not created or broken

e)

burning and fire

37.
What is the type of water that moves underground?
a)
surface water
b)
water table
c)
groundwater
d)
watershed
38.
What do you call the land that water flows across, under, and through on its way to a body of water?
a)
Tributary
b)
River system
c)
Headwaters
d)
Watershed
39.

All bodies of fresh water, salt water, ice, and snow that are found above ground

a)

Groundwater

b)

Surface water

c)

Runoff

d)

Swimming pool

40.
An area of permeable layer of rock or soil that holds a large amount of water in the saturated zone is called what?
a)
Aquifer
b)
Spring
c)
Well
d)
Reservoir
41.
The water that fills lakes and rivers
a)
groundwater
b)
surface water
c)
water table
d)
saturated zone
42.
Water stored  in cracks and pores below the Earth's surface is called:
a)
Groundwater
b)
Bogs
c)
Water in the ground
d)
surface water
43.
What is the top of the water-filled spaces  (saturated zone) in the ground called?
a)
Groundwater
b)
Reservoir
c)
Water Table
d)
Well
44.
Sand is ___________, meaning that water can pass through easily.
a)
Permeable
b)
Impermeable
c)
Solid
d)
Soft
45.
What is the water that fills the cracks and spaces in underground soil and rock layers called?
a)
Groundwater
b)
Water Table
c)
Precipitation
d)
Snow
46.
The top of the groundwater’s zone of saturation - E
a)
Zone of Aeration
b)
Aquifer
c)
Surface water
d)
Water table
47.

Which biome is more biodiverse?

a)

Desert

b)

Grassland

c)

Tundra

d)

Rainforest

48.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
49.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
50.

Image "B" shows more biodiversity than image "A". Why?

a)

Because "B" shows more different species than image "A"

b)

Because image "B" has less different species than "A"

c)

"A" has a greater number of same species plants so this statement is wrong.

d)

Both images show the same biodiversity

51.

Food Web B is an example of...

a)

Low biodiversity and low sustainability. If the producer dies then all the food web will suffer.

b)

High biodiversity and high sustainability. If an organism is removed the food web will continue with no effect.

52.

Biodiversity is important to keep an area (biome) healthy. In this example "Food Web A" is sustainable. Why is sustainability important for an ecosystem in "Food Web A".

a)

If one organism is removed the food web can still operate (work) with little or no negative effect.

b)

If an organism is removed the food web will collapse and will affect the environment.

53.
Why is biodiversity important in fighting disease in food crops?
a)
It prevents one disease from wiping out an entire food crop.
b)
It prevents habitat loss of native species.
c)
It provides different foods for different populations.
d)
It prevents fungal disease from wiping out corn crops.
54.
Which habitat exhibits the greatest biodiversity?
a)
A habitat with 15 different species with about 300 individuals each
b)
A habitat with 10 different species with about 75 individuals each
c)
A habitat with 4 different species with about 150 individuals each
d)
A habitat with only one species with about 2000 individual
55.
Currently sharks are on a rapid decline due to overfishing. If sharks go extinct will this affect the biodiversity of the ocean?
a)
No, sharks are not important.
b)
No, sharks will only affect the seal populations.
c)
Yes, it will disrupt the entire food chain in the ocean.
d)
Yes, but only a little.
56.
Why is biodiversity so important?
a)
Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
b)
Because it’s better to have only one variation of each species.
c)
Because it better to only have a few species on Earth.
d)
Honestly, I have no idea what biodiversity is!
57.

High biodiversity makes the food web more complex and better able to support the most species, even if some populations decrease.

a)

True

b)

False

58.

High biodiversity makes it more likely that the ecosystem will be able to keep functioning after a disturbance, such as disease or natural disaster.

a)

True

b)

False

59.

High biodiversity is a sign of a healthy ecosystem.

a)

True

b)

False

60.
A small marine area has phytoplankton as its only producer.  Should the marine biologist be concerned about this ecosystem?
a)
No the fish do not need the phytoplanton. Since there are so many fish, there is high biodiversity.
b)
Yes, this ecosystem has low biodiversity.  Without a producer the herbivores will die out leaving no food.
c)
Yes, this system has high biodiversity; however the fish can adapt and get food from another source.
d)
Yes, the fish will overate to get all of the phytoplankton that is left, then they will die.
61.

What are some ways we can help in maintaining biodiversity?

a)

Get involved with ecological restoration in your area.

b)

Prevent invasive species from overpopulating.

c)

Don't use chemical pesticides on crops.

d)

All of the above

62.

The diagram below shows changes occurring in an ecosystem over time.

What is happening in the diagram?

a)

Plants are growing larger over time.

b)

Soil is being removed from an ecosystem over time.

c)

An ecosystem is slowly being eliminated from a region.

d)

Biological communities are gradually being replaced by other communities.

63.

The diagram shows changes to a pond ecosystem over time.

Through which of the following processes are plant communities taking over the ecosystem?

a)

biodiversity

b)

primary succession

c)

climate disturbance

d)

secondary succession

64.

The diagram below shows an example of ecological succession.

What does the presence of soil indicate about this process?

a)

It is unchanging.

b)

It is an example of primary succession.

c)

It is an example of secondary succession.

d)

It is an example of catastrophic change.

65.

Primary succession occurs when pioneer species move into an area that has no plants. Which organisms are common pioneer species?

a)

Conifer trees and tall grasses with roots that loosen the soil.

b)

Mosses and lichens that can grow on rocky surfaces.

c)

Grasses and weeds that arrive as seeds carried by the wind and then germinate in rich soil.

d)

Vines and shrubs that help prevent the erosion of shallow soil.

66.

Both primary and secondary succession begin with pioneer species that —

a)

change the area and make it safer from predatory organisms.

b)

invade the area so that new organisms cannot be established.

c)

modify the area and allow larger and more complex organisms to appear.

d)

use up all the existing resources and prevent establishment of non-native organisms.

67.

How is the number of species in an ecosystem related to the stage of ecological succession?

a)

The number of species increases as succession proceeds.

b)

The number of species decreases as an ecosystem becomes mature.

c)

The number of species present when succession begins remains the same.

d)

The number of species increases and then decreases as succession proceeds.

68.

How do pioneer species make ecological succession possible on an island following a volcanic eruption?

a)

They use chemicals to produce food.

b)

They establish homes in which animals can live.

c)

They break down rock into soil in which plants can grow.

d)

They adjust the climate by altering the average temperature in a region.

69.

How is secondary succession different from primary succession?

a)

Secondary succession occurs after a disturbance in an area that was previously uninhabited.

b)

Secondary succession occurs after a disturbance in an area in which the soil has remained intact.

c)

Secondary succession occurs over a longer period of time than primary succession.

d)

Secondary succession occurs when animals are introduced to an area that had only plants.

70.

An ecosystem experiences a volcanic eruption that covers the area with lava. Which of the following organisms is most likely to be a pioneer species in this ecosystem?

a)

a tall tree

b)

a shrub

c)

moss

d)

a mouse

71.

Some students take care of a vegetable garden. When it is time to plant in the spring, the students leave part of the garden empty in order to observe ecological succession. Which of these will most likely occur first?

a)

development of topsoil

b)

growth of weeds and grasses

c)

growth of trees and shrubs

d)

development of a stream

72.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
73.

What is the name of bird X?

a)

Certhidea

b)

Geospiza

c)

Camarhynchus

d)

Platyspiza

74.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
75.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
76.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
77.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
78.
What is the name of bird W?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
79.

Leaf S

a)

Eastern white pine

b)

balsam poplar

c)

sweet gum

d)

ginko

80.

Which characteristics are used to identify the American Robin?

a)

Head color, Beak shape, and Beak Color

b)

Head color and Beak Color

c)

Beak Shape and Beak Color

d)

Beak Color

81.
Using this dichotomous key, identity the name of the circled fish.
a)
band-tail puffer
b)
spotted goat fish
c)
peacock flounder
d)
trumpet fish
82.

Genetic material (DNA) can be found in the...

a)

nucleus

b)

mitochondria

c)

chloroplast

d)

cell wall

83.

What is the correct order of organization for genetic information?

a)

Gene, DNA, chromosomes, nucleus, cell

b)

Cell, nucleus, DNA, chromosome, gene

c)

Nucleus, cell, chromosome, gene, DNA

d)

Cell, nucleus, chromosome, DNA, gene

84.

What is heredity?

a)

The passing of traditions from one generation to the next.

b)

The passing of genetic information from one generation to the next.

c)

Genetic information found in the nucleus.

d)

The study of genes.

85.

How many chromosomes are found in a "normal" human being?

a)

44

b)

46

c)

48

d)

50

86.

Dominant traits...

a)

Covers other traits

b)

Represented by capital letters in genotypes

c)

Represented by little letters in genotypes

d)

The hidden trait

87.

Recessive traits are...

a)

Represented by capital letters

b)

Covers other traits

c)

Represented by little letters

d)

Hidden traits ONLY visible when dominant allele is NOT there

88.

Heredity involves which main body system?

a)

Reproduction System

b)

Respiratory System

c)

Digestive System

d)

Skeletal System

89.

Which choice is NOT true about genes?

a)

They are found in the nucleus.

b)

They are located on chromosomes.

c)

They provide energy to the cell.

d)

They provide genetic information for traits.

90.

Which piece of genetic information looks like a long twisted/coiled ladder?

a)

Chromosome

b)

DNA

c)

ATP

d)

Nucleus

91.

Which structure looks like a skinny X?

a)

Chromosome

b)

DNA

c)

Gene

d)

Nucleus

92.

The inherited traits of an organism is governed by...

a)

Mitochondria

b)

Genes

c)

Enzymes

d)

Cytoplasm

93.

Genetic instructions are passed from both parents to their...

a)

offspring

b)

organism

c)

organelle

d)

parents

94.

Which is NOT an inherited trait?

a)

shape of eyes

b)

male or female

c)

widow's peak hairline

d)

favorite color

95.

Which genotype is hetrozygous?

a)

Bb

b)

BB

c)

DD

d)

dd

96.

Which genotype is homozygous dominant?

a)

Bb

b)

bb

c)

BB

d)

Dd

97.

Which is NOT an example of a phenotype?

a)

black fur

b)

blue eyes

c)

brown hair

d)

bb

98.

Which genotype is homozygous recessive?

a)

Bb

b)

BB

c)

bb

d)

brown eyes

99.

What is the main purpose of chromosomes?

a)

To store genetic instructions (DNA)

b)

To release energy

c)

To control what enters and leaves cell

d)

To store materials inside the cell

100.

Protects the body, regulates body temperature

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

101.

Carries oxygen and nutrients to all parts of the body.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

102.

Allows movement in the body

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

103.

Receives stimuli and transports impulses, coordinates actions and reactions in the body

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

104.

Supports and provides structure for the body

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

105.

Supplies blood with oxygen and rids the body of carbon dioxide

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

106.

Main Organs: Skin

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

107.

Main Organs: Heart and blood vessels

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

108.

Main Organs: Muscles

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

109.

Main Organs: Brains, spinal cord, nerves

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

110.

Main Organs: Bones and joints

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

111.

Main Organs: Lungs

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

112.

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

113.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

114.

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

115.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

116.

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

117.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

118.

The structure labeled "D" has the function of

a)

Controls all activity in the cell (the brain) and stores DNA.

b)

Fluid that fills the cell and keeps the organelles in place.

c)

Stores water and nutrients for the cell to survive.

d)

Breakdown and detoxify waste material within the cell.

119.

The structure labeled "A" has the function of

a)

A rigid exterior which protects and supports the cell.

b)

Outer lining the cells. Controls what goes in and out.

c)

Power plant of the cell. They create energy called ATP

d)

Fluid that fills the cell and keeps the organelles in place.

120.

The structure labeled "H" has the function of

a)

Power plant of the cell. They create energy called ATP.

b)

Converts sunlight, water, and carbon dioxide into glucose and oxygen in a process called photosynthesis.

c)

Breakdown and detoxify waste material within the cell.

d)

Controls all activity in the cell (the brain) and stores DNA.

121.

The structure labeled "I" has the function of

a)

Packaging plant. They group items together and pack them into vesicles.

b)

Breakdown and detoxify waste material within the cell.

c)

Prepares the proteins for transfer to the Golgi Bodies.

d)

Power plant of the cell. They create energy called ATP.

122.

The structure labeled "B" has the function of

a)

A rigid exterior which protects and supports the cell.

b)

Outer lining the cells. Controls what goes in and out.

c)

Fluid that fills the cell and keeps the organelles in place.

d)

Stores water and nutrients for the cell to survive.

123.

The structure labeled "C" has the function of

a)

Controls all activity in the cell and stores DNA.

b)

Stores water and nutrients for the cell to survive.

c)

Fluid that fills the cell and keeps the organelles in place.

d)

Prepares the proteins for transfer to the Golgi Bodies.

124.

The structure labeled "E" has the function of

a)

Power plant of the cell. They create energy called ATP.

b)

Stores water and nutrients for the cell to survive.

c)

Prepares the proteins for transfer to the Golgi Bodies.

d)

Controls all activity in the cell (the brain) and stores DNA.

125.

The structure labeled "F" has the function of

a)

Power plant of the cell. They create energy called ATP.

b)

Converts sunlight, water, and carbon dioxide into glucose and oxygen in a process called photosynthesis.

c)

Follows the instructions of the nucleus and creates proteins.

d)

Breakdown and detoxify waste material within the cell.

126.

The structure labeled "J" has the function of

a)

Prepares the proteins for transfer to the Golgi Bodies.

b)

Power plant of the cell. They create energy called ATP.

c)

Packaging, they group items together and pack them into packets.

d)

Breakdown and detoxify waste material within the cell.

127.

What is the outer lining of the cells. Controls what goes in and out.

a)

Endoplasmic Reticulum

b)

Cell Membrane

c)

Cell Wall

d)

Cytoplasm

128.

A rigid exterior which protects and supports the cell.

a)

Cell Membrane

b)

Cell Wall

c)

Cytoplasm

d)

Vacuole

129.

Controls all activity in the cell (the brain) and stores DNA

a)

Mitochondria

b)

Chloroplasts

c)

Nucleus

d)

Lysosomes

130.

Fluid that fills the cell and keeps the organelles in place.

a)

Cell Membrane

b)

Cell Wall

c)

Vacuole

d)

Cytoplasm

131.

Power plant of the cell. They create energy called ATP.

a)

Nucleus

b)

Chloroplasts

c)

Mitochondria

d)

Vacuole

132.

Converts sunlight, water, and carbon dioxide into glucose and oxygen in a process called photosynthesis.

a)

Mitochondria

b)

Chloroplast

c)

Nucleus

d)

Lysosomes

133.

Stores water and nutrients for the cell to survive

a)

Vacuole

b)

Lysosomes

c)

Cell Membrane

d)

Ctyoplasm

134.

Follows the instructions of the nucleus and creates proteins

a)

Endoplasmic reticulum

b)

Golgi Bodies

c)

Ribosomes

d)

Nucleus

135.

Packaging plant. They group items together and pack them into packets.

a)

Endoplasmic Reticulum

b)

Lysosomes

c)

Mitochondria

d)

Golgi Bodies

136.

Breakdown and detoxify waste material within the cell.

a)

Mitochondria

b)

Vacuole

c)

Lysosomes

d)

Ribosomes

137.

Prepares the proteins for transfer to the Golgi Bodies.

a)

Endoplasmic Reticulum

b)

Golgi Bodies

c)

Vacuole

d)

Cytoplasm

138.
The ___ is the basic unit of sturucture and function of organisms
a)
atom
b)
cell
c)
matter
d)
all other answers are correct
139.
Which statement is a part of the cell theory?
a)
all cells come from preexisting cells
b)
bacteria are prokaryotic cells
c)
eukaryotic cells are complex
d)
humans are multicellular
140.
What kind of cell is this?
a)
Animal 
b)
Plant
141.
What kind of cell is this?
a)
Animal
b)
Plant
142.

Robert Hooke named the small compartments that made up the cork __________after the rooms monks lived in.

a)

organelles

b)

membranes

c)

mocroscopes

d)

cells

143.

Cell theory states that...

a)

cells are the basic building block of life

b)

cells are cool

c)

cells are microscopic

d)

cells cannot be destroyed

144.

How does the DNA of the offspring formed from asexual reproduction compare to the parent?

a)

none of the DNA is transferred to the offspring

b)

half of the DNA is transferred to the offspring

c)

the DNA of the offspring is identical to the DNA of the parent

d)

none of these are correct

145.

Which of these is NOT an advantage of asexual reproduction.

a)

Enables organisms to reproduce without a mate

b)

Requires less time and energy

c)

Results in little genetic variation

d)

Enables organisms to produce large amounts of offspring

e)

Enables plants to spread and colonize an area in a short period of time

146.
All Offspring of Asexual reproduction are identical
a)
True
b)
False
147.
The passing of physical characteristics from parent to offspring 
a)
Heredity
b)
Chromosome
c)
Genes
d)
Chemistry
148.

What is one advantage of sexual reproduction?

a)

The offspring are identical to the parents.

b)

The offspring are resistant to viruses.

c)

The offspring are born live, rather than from eggs.

d)

The offspring inherit a wider variety of genetic information.

149.

How many parents does sexual reproduction require?

a)

1

b)

3

c)

4

d)

2

150.

 If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is

a)

identical to only one parent

b)

identical to all of its siblings

c)

a unique combination of traits

d)

the recessive traits of each parent

151.

When comparing the offspring of sexually and asexually reproducing organisms, we would expect the genetic material (DNA) of the sexually reproducing organism to

a)

contain fewer mutations

b)

be lesser in quantity

c)

be simpler overall

d)

show more variation

152.
The passing of traits from parents to offspring
a)
heredity
b)
genetics
c)
trait
d)
alleles
153.
Characteristics can also be called
a)
heredity
b)
traits
c)
gene 
d)
alleles
154.
The different forms of a gene
a)
heredity
b)
genetics
c)
gene
d)
alleles
155.
This trait is hidden whenever the dominant allele is present
a)
dominant allele
b)
codominance
c)
recessive allele
d)
Punnett Square
156.
This trait always shows up in an organism when the allele is present
a)
dominant allele
b)
codominance
c)
probability
d)
recessive allele
157.
A chart that shows all the possible combinations of alleles that can result from a genetic cross
a)
dominant allele
b)
codominance
c)
probability
d)
Punnett Square
158.
An organism's genetic makeup, or allele combination
a)
fertilization
b)
genotype
c)
phenotype
d)
heterozygous
159.
An organism that has two different alleles for a trait (hybrid)
a)
fertilization
b)
genotype
c)
homozygous
d)
heterozygous
160.
An organism that has two identical alleles for a trait (purebred)
a)
genotype
b)
phenotype
c)
homozygous
d)
heterozygous
161.
What is Bb?
a)
Homozygous
b)
Heterozygous
c)
Recessive
d)
Alleles
162.
What are the two genotypes that show the DOMINANT Phenotype
a)
GG, gg
b)
GG, Gg
c)
Gg, gg
163.
What is the only Genotype that shows the RECESSIVE Phenotype?
a)
GG
b)
Gg
c)
gg
164.
Which of the following pairs is homozygous dominant?
a)
Hh
b)
pp
c)
HH
d)
aa
165.
How many are tall?
a)
0
b)
1
c)
2
d)
4
166.
___________________________ is the study of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
167.

How an organism responds or acts

a)

Behavior

b)

Environment

c)

Heredity

d)

Inherited

168.

Characteristic passed from parents to their young.

a)

Behavior

b)

Environment

c)

Heredity

d)

Inherited

169.
Which of the following is heterozygous?
a)
Hh
b)
gg
c)
HH
d)
GG
170.
Aa is
a)
homozygous (purebred)
b)
heterozygous (hybrid)
171.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
172.
Purebred is another word for __________, while hybrid is another word for __________.
a)
dominant; recessive
b)
recessive; dominant
c)
homozygous; heterozygous
d)
heterozygous; homozygous

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