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Keystone Review

Total questions: 210

Worksheet time: 3hrs 54mins

Name
Class
Date
1.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
2.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
3.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis
4.
Which is true about active transport?
a)
It requires energy
b)
it does not require energy
c)
It moves substances down the concentration gradient
d)
it moves material from high to low concentration
5.
Molecules diffusing with the concentration gradient through a protein channel is...
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
6.
Due to the higher concentration of oxygen in the air than your blood, oxygen goes from the lungs into the red blood cells by....
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
7.
In a nerve cell, ATP energy is used to pump sodium (Na) out of the cell and potassium (K) into the cell. This is an example of...
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
8.
This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.
a)
vacuole
b)
nucleus
c)
cell membrane
d)
cell wall
9.
The dispersal of ink in a breaker of water is an example of 
a)
osmosis
b)
diffusion
c)
active transport
10.
Passive transport requires no
a)
concentration gradients
b)
osmosis
c)
motion
d)
energy
11.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
12.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
13.
A cell in an isotonic solution will
a)
swell
b)
shrink
c)
stay the same size
d)
impossible to tell
14.
A cell in a hypotonic solution will
a)
swell
b)
shrink 
c)
stay the same size
d)
impossible to tell
15.
When a cell is placed in a hypertonic (more concentrated) solution water
a)
moves from the inside of the cell to the solution
b)
moves from the solution to the inside of the cell
c)
moves equally in and out of the cell
d)
none of these
16.
When a cell is placed in a hypotonic solution (less concentrated), water
a)
moves from the inside of the cell to the solution
b)
moves from the solution to the inside of the cell
c)
moves equally in and out of the cell
d)
none of these
17.
This type of endocytosis is used by the cell to take in large molecules or tiny organisms. 
a)
Pinocytosis 
b)
Protein pumps
c)
Phagocytosis
d)
Exocytosis
18.
which is the correct order of the levels of organization from simple to complex?
a)
organism, population, community, ecosystem
b)
ecosystem, community, population, organism
19.
The basic unit of structure and function for the body.
a)
cell
b)
atom
c)
organelle
d)
nucleus
20.

A structure made up of different types of tissue and performs a specific job.

a)

cells

b)

tissue

c)

organ

d)

organ system

21.
A group of similar cells that perform the same function.
a)
tissue
b)
organelle
c)
mass
d)
tendon
22.
A group of organs that work together to perform a major function is an organ
a)
system
b)
column
c)
bank
d)
stack
23.

How do enzymes speed up chemical reaction?

a)

Increasing activation energy

b)

Decreasing activation energy

c)

Increasing deactivation energy

d)

Decreasing deactivation energy

24.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
25.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusablility
b)
denaturation
c)
specificity
d)
fragility
26.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
27.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
28.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
29.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
30.
Enzymes are...
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
31.
An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 
a)
true
b)
false
32.
What is the function of an enzyme?
a)
enzymes break themselves into small pieces
b)
enzymes slow down chemical reactions
c)
enzymes speed up chemical reactions
d)
enzymes combine products to form reactants 
33.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
34.
Which of these is most likely an enzyme?  
a)
Sucrose
b)
Galactose
c)
Fructose
d)
Amylase
35.
The pH at which an enzyme is most efficient is called the _________ pH of an enzyme.
a)
neutral
b)
optimum
c)
minimum
d)
experimental 
36.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
37.
What makes an enzyme substrate specific?
a)
Size
b)
Shape
c)
Name
d)
Location it is found in
38.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
39.
A baby song bird hatches from its egg with both parent songbirds watching.
a)
All living things reproduce
b)
All living things maintain homeostasis
c)
All living things use energy
d)
All living things grow
40.

A pill bug (roly poly) eats a carrot.

a)

All living things contain cells

b)

All living things have metabolism

c)

All living things maintain homeostasis

d)

All living things grow

41.

A caterpillar hibernates in a cocoon and emerges as a butterfly.

a)

All living things adapt to their environment

b)

All living things use energy

c)

All living things respond to their environment

d)

All living things reproduce, grow, and develop

42.
An amoeba is a unicellular organism. Which characteristic of life is this?
a)
All living things use energy
b)
All living things contain cells
c)
All living things respond to their environment
d)
All living things grow
43.
A tulip opens in the morning at sunrise and closes in the evening at sunset.
a)
All living things have cells
b)
All living things use energy
c)
All living things respond to their environment
d)
All living things grow
44.
All eukaryotes and prokaryotes are surrounded by a _____.
a)
cell wall
b)
cell membrane
c)
cell envelope
d)
loving, supportive family
45.
Where is the DNA found in a prokaryotic cell? 
a)
floating around in the cytoplasm 
b)
in the nucleus 
46.
What type of cell has a nucleus? 
a)
eukaryotic
b)
prokaryotic 
47.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
48.
Which of the following is found inside a prokaryote?
a)
cytoplasm
b)
DNA
c)
ribosomes
d)
all of these
49.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
50.
The reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
51.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
52.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
53.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
54.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O+ C6H12O6
b)
6CO+ C6H12O6 + 6H2O --> O
c)
6O2 + 6H2O --> 6CO+ C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2 
55.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
56.
What is the function of NADPH and ATP?
a)
They absorb light
b)
They power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They are short term energy carriers
57.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
58.
What is the primary function of the light-dependent reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To produce RuBP
59.
Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
60.
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? 
a)
The light-dependent stage
b)
The light-independent stage (The Calvin Cycle)
c)
The electron transport chain
d)
ATP formation
61.
Which of the following best describes photosynthesis?
a)
Photosynthesis converts Light (radiant) energy into chemical energy.
b)
Photosynthesis produces carbohydrates.
c)
Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
d)
Plants use chlorophyll, water, and carbon dioxide to make sugar.
62.
In which  organelle does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
63.
Which product is produced during the light-dependent reactions?
a)
water
b)
oxygen
c)
glucose
d)
carbon dioxide
64.
Which of the following is considered a waste product of photosynthesis?
a)
glucose
b)
oxygen
c)
carbon dioxide
d)
sunlight
65.
Animal cells do not have chloroplasts.
a)
TRUE
b)
FALSE
66.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
67.
______________ produces the most ATP.
a)
photosnthesis
b)
aerobic respiration
c)
anaerobic respiration
d)
glycolysis
68.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
69.
What are the reactants in the equation for cellular respiration?
a)
oxygen and lactic acid
b)
carbon dioxide and water
c)
glucose and oxygen
d)
water and glucose
70.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
71.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
72.
This means that oxygen is not needed
a)
anaerobic 
b)
aerobic
73.
This means that oxygen is needed
a)
anaerobic 
b)
aerobic
74.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
75.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
76.
Glucose is broken down during which process
a)
Krebs cycle
b)
Calvin cycle
c)
Glycolysis
d)
Photosynthesis
77.
This is the first step of cellular respiration
a)
Glycolysis
b)
Lactic Acid Fermentation
c)
Alcoholic Fermentation
d)
Aerobic Respiration
78.
What is the first phase of Mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
79.
What phase of mitosis is occuring in the picture?
a)
Prophase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
80.
In which phase does the cell spend most of it's life?
a)
Interphase
b)
Nuclear Division
c)
Telophase
d)
Mitosis
81.
DNA will condense into...
a)
Centromeres
b)
Chromosomes
c)
Nuclei
d)
Spindle fibers
82.
What phase of mitosis is pictured?
a)
Metaphase
b)
Telophase
c)
Prophase
d)
Anaphase
83.
Which of the following is NOT occuring during interphase?
a)
Cell growth
b)
DNA being copied
c)
DNA condensing
d)
Two new cells are made
84.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
85.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
86.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
87.
How many chromosomes do humans have?
a)
46
b)
21
c)
10
88.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
89.
Structure A refers to the _____.
a)
chromatid
b)
chromosome
c)
centromere
90.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
91.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
92.
These structures pull the spindle fibers and attached chromosomes to opposite ends of the cell.
a)
Spindle fiber
b)
Centriole
c)
Nucleus
d)
Centromere
93.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
94.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
95.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
96.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
97.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
98.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
99.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
100.
How many cells are produced during telophase I ?
a)
4
b)
8
c)
2
d)
0
101.
This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?
a)
segregation of sister chromatids
b)
condensation and segregation of alleles
c)
mutationin which the DNA content of the gene is altered
d)
crossing - over in which alleles are exchanged
102.
Why do we need meiosis?
a)
To double the number of chromosomes going into sex cells
b)
To halve the number of chromosomes going into sex cells
c)
To triple the number of chromosomes going into sex cells
d)
To not change the number of chromosomes going into sex cells
103.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
104.

At the end of mitosis you have _____ cells

a)

identical

b)

different

c)

identical twins

d)

variety

105.
products of meiosis are genetically
a)
different
b)
identical
106.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
107.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
108.
How are your chromosomes inherited?
a)
most of your chromosomes from your mother
b)
most of your chromosomes from your father
c)
a random number of chromosomes from each parent
d)
half your chromosomes from your mother and half from your father.
109.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
d)
Cytokinesis
110.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
111.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
112.
Put the following stages of the cell cycle in order: G2, S, G1, M. 
a)
G1, S, G2, M
b)
S, G1, G2, M
c)
G1, M, G2, S
d)
M, G1, S, G2
113.
Put the following in order: G2, G1, S, mitosis, cytokinesis. 
a)
G1, G2, S, Mitosis, cytokinesis
b)
G1, S, G2, Mitosis, cytokinesis
c)
G1, G2, S, cytokinesis, mitosis
d)
G1, S, G2, cytokinesis, mitosis
114.

Since there is a car in your driveway, someone must be home.

a)

Observation

b)

Inference

c)

Hypothesis

115.

If jumping beans respond to a stimuli and have cells, then they must be living

a)

Observation

b)

Inference

c)

Hypothesis

116.

You look outside and it is raining.

a)

Observation

b)

Inference

c)

Hypothesis

117.

Which type of metabolism is responsible for the breaking of complex molecules to smaller molecules

a)

Anabolism

b)

Catabolism

c)

Cannibalism

d)

Inertia

118.

Which of the following is an example of homeostasis

a)

A human turning on a fan when it is hot

b)

A human putting on a coat when they are cold

c)

A human sweating when it is hot

119.

Which statement correctly identifies the relationship between structure and function?

a)

Structure is more important than function

b)

Function is more important than structure

c)

Structure compliments function

d)

Objects with the same function have different structures

120.

What is the basic unit of life?

a)

Cell

b)

Organ

c)

Organelle

d)

Atom

121.

Which would be found in a plant cell but not animal cell

a)

Cytoplasm

b)

Nucleus

c)

Ribosomes

d)

Cell wall

122.

What could be an accurate explanation of the made up word, microdicytosaccharide

a)

a large single cell protein

b)

a small double cell sugar

c)

a small single sugar macromolecule

d)

a large double sugar macromolecule

123.

A change in genes in living things over time

a)

adaptation

b)

evolution

c)

homeostasis

d)

metabolism

124.

A plant grows towards sunlight. Sunlight, which causes a response is an example of a

a)

response

b)

eukaryote

c)

mitochondria

d)

stimulus

125.

Biology is

a)

The study of animals

b)

The study of life

c)

The study of plants

d)

The study of humans

126.

Which of the following is not a part of all cells

a)

cytoplasm

b)

nucleus

c)

DNA

d)

cell membrane

127.

What do all living things require for metabolism

a)

adaptations

b)

energy

c)

homeostasis

d)

multicellularity

128.

Reproduction is

a)

The loss of organelles in a cell

b)

The reason why prokaryotes are smaller than eukaryotes

c)

Passing on genetic traits to offspring

129.

A property that is seen in complex systems but cannot be observed by the simple parts that make up the system

a)

Divergent Property

b)

Emergent Property

c)

Dichotomous Property

d)

Monocot Property

130.

An organelle

a)

makes up tissues

b)

makes up organs

c)

makes up cells

d)

makes up organisms

131.

If you look at an organism with one cell, the organism would be considered

a)

multicellular

b)

unicellular

132.

Which cell structure is found in every cell?

a)

Cell membrane

b)

Mitochondira

c)

Chloroplast

d)

Cell wall

133.

What would you look for in a cell to determine whether it is prokaryotic or eukaryotic?

a)

Ribosomes

b)

Cell membrane

c)

DNA

d)

Nucleus

134.

How does a plant cell differ from an animal cell?

a)

Cell membrane, chloroplast

b)

Cell wall, ribosomes

c)

Cell wall, chloroplast

d)

Cell membrane, nucleus

135.
A baby song bird hatches from its egg with both parent songbirds watching.
a)
All living things reproduce
b)
All living things maintain homeostasis
c)
All living things use energy
d)
All living things grow
136.

A pill bug (roly poly) eats a carrot.

a)

All living things contain cells

b)

All living things have metabolism

c)

All living things maintain homeostasis

d)

All living things grow

137.
An amoeba is a unicellular organism. Which characteristic of life is this?
a)
All living things use energy
b)
All living things contain cells
c)
All living things respond to their environment
d)
All living things grow
138.
No nucleus
a)
Eukaryote
b)
Prokaryote
c)
Both
139.
Prokaryotic cells
a)
more advanced cells, are specialized, have 4 main parts-cell membrane, cytoplasm, nucleus, and organelles
b)
very simple cells, does not contain a nucleus or membrane bound organelles
c)
centrioles and more mitochondria
140.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
141.
The function of _____ is to transport amino acids in the cytoplasm to the ribosome.
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
142.
The process of going from DNA to mRNA is called
a)
Transcription
b)
Translation
c)
Transportation
d)
Transient
143.
This is the triplet of bases on the end of a tRNA molecule
a)
Anticodon
b)
Codon
c)
Protein
144.
The function of ______ is to combine with proteins to form ribosomes.
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
145.
The process where DNA is transcribed to mRNA happens in what part of the cell?
a)
Nucleus
b)
Mitochondria
c)
Cytoplasm
d)
Endoplasmic Reticulum
146.
The process where mRNA is read and made into an amino acid chain.
a)
Transcription
b)
Translation
c)
Transportation
d)
Transient
147.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
148.
This molecule carries genetic information from the nucleus to the ribosomes in the cytoplasm.
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
149.
What is the mRNA strand that would result from the DNA template strand CCTA?
a)
GGAT
b)
CCAT
c)
GGAU
d)
CCAU
150.
The principle shown in the image is called what?
a)
Transcription
b)
The Central Dogma
c)
Translation
d)
The Principle of Proteins
151.
The process where mRNA is translated into amino acids happens in what part of the cell?
a)
Nucleus
b)
Mitochondria
c)
Cytoplasm
d)
Endoplasmic Reticulum
152.
Which of these nitrogenous bases is NOT in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
153.
Who is considered the "father" of modern genetics?
a)
Einstein
b)
Mendel
c)
Disney
d)
Trump
154.
A single cross such as flower color.
a)
mono hybrid
b)
dihybrid
c)
crossing over
d)
homozygous
155.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
156.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous 
157.
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
a)
phenotype
b)
dominance
c)
genotype
d)
trait
158.
Y for yellow body is dominant over y for blue body.  What alleles would produce yellow bodies?
a)
YY,yy
b)
Yy,yy
c)
YY only
d)
YY,Yy
159.
"The Great White Shark was 20 feet in length.  Phenotype or Genotype?
a)
phenotype
b)
genotype
160.
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
a)
tall
b)
short
c)
medium
d)
not enough info
161.
A physical characteristic that can be passed from parent to offspring.
a)
behavior
b)
trait
c)
strong muscles
d)
ability to fly a plane.
162.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
163.

A insect like a water strider can skate along the top of a pond because:

a)

covalent bonds result in water cohesion

b)

hydrogen bonds result in water cohesion (surface tension)

c)

low surface tension of water

164.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
165.
Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
166.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
167.

Water travels up from the roots of a tree to the top because of

a)

adhesion and cohesion

b)

surface tension

c)

specific heat capacity

d)

density of water compared to ice

168.
Water droplets take a spherical shape (as pictured) because of ____________
a)
adhesion
b)
cohesion
c)
capillary action
d)
solubility
169.
A molecule with electrically charged areas is called a _______________.
a)
magnet
b)
polar molecule
c)
solution
d)
electrical molecule
170.

As you add drops of water to the surface of a coin, each drop sticks to the other water droplet because of ________________, and sticks to the penny because of ______________.

a)

adhesion, cohesion

b)

cohesion, adhesion

c)

capillary action, specific heat

d)

specific heat, capillary action

171.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
172.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
173.
Which of the following is LEAST likely to dissolve in water?
a)
nonpolar fats and oils
b)
polar sugar molecules
c)
salt made of a positive sodium ion and a negative chloride ion
d)
all of the substances will dissolve easily in water
174.

Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?

a)

adhesion

b)

surface tension due to cohesion

c)

solvent properties

d)

nonpolar

175.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
176.
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
177.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
178.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
179.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
180.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
181.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
182.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
183.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
184.
The area between the highest mountain and the deepest ocean where life can be found
a)
Biosphere
b)
Biome
c)
Farm
d)
Ecosystem
185.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
186.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
187.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
188.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
189.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
d)
an animal that makes its own energy through photosynthesis
190.
An animal that gets energy from eating both plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
191.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
192.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
193.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
194.
All food chains begin with a ____________.
a)
primary consumer
b)
secondary consumer
c)
producers
d)
scavengers
195.

What type of succession is shown going from figure A to figure B?

a)

primary succession

b)

ecological succession

c)

secondary succession

d)

intermediate species

196.

The picture shows what type of succession?

a)

primary

b)

secondary

c)

tertiary

d)

quadanary

197.

The forest in panel #8 is a...

a)

pioneer species

b)

climax community

c)

tertiary community

d)

intermediate species

198.

Succession type?

a)

primary succession

b)

secondary succession

c)

tertiary succession

d)

variable succession

199.
Ostrich wings are examples of
a)
homologous structures
b)
vestigial structures
c)
adaptations
d)
traits
200.
Dolphins have the same arm structure as wolfs, what type of evidence for evolution does this represent?
a)
DNA
b)
vestigial structures
c)
homologous structures
d)
embryology
201.
Change over time is
a)
evolution
b)
generation
c)
growth
d)
biogenesis
202.
Natural selection is
a)
survival of the fittest
b)
humans change
c)
two species are the same
d)
more animals survive
203.
This makes an organism more suited to its enviornment
a)
species
b)
lifespan
c)
adaptation
d)
mutation
204.
Which of the following is a fossil?
a)
a plant that has recently died
b)
a group of organisms that can reproduce
c)
a structure or organ that no longer functions
d)
a trace of an organisms that existed in the past
205.
what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?
a)
different species on different islands
b)
all species on one of the islands
c)
identical species on all the islands
d)
the same species as North America
206.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
207.
What is the process in which humans breed organisms for certain traits?
a)
natural selection
b)
inheritance
c)
artificial selection
d)
descent withOUT modification
208.
The Physical remains of a plant or animal preserved in rock or Earth's crust. 
a)
Adapt
b)
Fossil
209.
This mechanism of evolution occurs when populations migrate.
a)
Extinction
b)
Gene flow
c)
Genetic drift
d)
Natural Selection
210.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C