Name____________________________ Date______________
Ms. Schwartz Living Environment
Graphing Practice
1. The amount of oxygen gas dissolved in water is important to the
organisms that live in a river. The amount of dissolved oxygen
varies with changes in both physical factors and biological
processes. The temperature of the water is one physical factor
affecting dissolved oxygen levels as shown in the data table
below. The amount of dissolved oxygen is expressed in parts per
million (ppm).
c. If the trend continues as shown in the data, what would the
Using the information in the data table, construct a line graph on
dissolved oxygen level most likely be if the temperature of the water
the grid, following the directions below.
was 35°C?
a. Mark an appropriate scale on each labeled axis.
________________ppm
b. Plot the data for dissolved oxygen on the grid. Surround each point
with a small circle and connect the points.
d. State the relationship between the level of dissolved oxygen and
water temperature.
Example:
_______________________________________________________
_______________________________________________________
2. A number of bean seeds planted at the same time produced plants
that were later divided into two groups, A and B. Each plant in
group A was treated with the same concentration of gibberellic
acid (a plant hormone). The plants in group B were not treated
with gibberellic acid. All other growth conditions were kept
constant. The height of each plant was measured on 5
consecutive days, and the average height of each group was
recorded in the data table below.
Using the information in the data table, construct a line graph on
the grid, following the directions below.
a. Mark an appropriate scale on the axis labeled “Average Plant
Height (cm).”
b. Plot the data for the average height of the plants in group A.
Surround each point with a small circle and connect the points. d. The dependent variable in this investigation is the:
(1) days
Example: (2) average plant height
c. Plot the data for the average height of the plants in group B. (3) gibberellic acid
Surround each point with a small triangle and connect the points. (4) group B
e. State a valid conclusion that can be drawn concerning the effect of
Example:
gibberellic acid on bean plant growth.
_______________________________________________________
_______________________________________________________
3. Biologists investigated the effect of the presence of aluminum ions
on root tips of a variety of wheat. They removed 2-mm sections of
the tips of roots. Half of the root tips were placed in a nutrient
solution with aluminum ions, while the other half were placed in an
identical nutrient solution without aluminum ions. The length of the
root tips, in millimeters, was measured every hour for seven hours.
The results are shown in the data table below.
Using the information in the data table, construct a line graph on
the grid, following the directions below. d. Describe the effect of aluminum ions on the growth of the root tips
of wheat.
a. Mark an appropriate scale on each axis.
_______________________________________________________
b. Plot the data for root tips in the solution with aluminum ions on
the grid. Surround each point with a small circle and connect _______________________________________________________
the points.
________________________________________________________________
Example:
________________________________________________________________
c. Plot the data for root tips in the solution without aluminum ions
on the grid. Surround each point with a small triangle and \
connect the points.
Example:
4. Base your answers to questions 44 through 47 on the data table below
and on your knowledge of biology. The data table shows the number of
breeding pairs of bald eagles in New York State from 1991 to 2003.
Using the information in the data table, construct a line graph on
the grid, following the directions below.
a. Mark an appropriate scale, without any breaks, on each labeled axis.
b. Plot the data on the grid. Surround each point with a small circle
and connect the points.
c. In which time period did New York State see the largest increase
in breeding pairs of bald eagles?
Example:
(1) 1991–1993 (3) 1995–1997
(2) 1993–1995 (4) 1999–2001
5. Each year, a New York State power agency provides its customers
with information about some of the fuel sources used in generating
electricity. The table below applies to the period of 2002–2003.
Using the information in the data table, construct a bar graph on
the grid, following the directions below.
a. Mark an appropriate scale on the axis labeled “Percentage of
Electricity Generated.”
b. Construct vertical bars to represent the data. Shade in each bar. c. Identify one fuel source in the table that is considered a fossil fuel.
_______________________________
d. Identify one fuel source in the table that is classified as a
renewable resource.
_______________________________
6. Tooth decay occurs when bacteria living in the mouth produce an
acid that dissolves tooth enamel (the outer, protective covering of a
tooth).
Using the information in the data table, construct a bar graph on
the grid, following the directions below.
d. Which statement is a valid conclusion regarding tooth decay?
a. Mark an appropriate scale on the axis labeled “Average Sugar
Intake per Person.” (1) As sugar intake increases, the acidity in the mouth decreases,
reducing tooth decay.
b. Construct vertical bars in the bracketed area for each world region
to represent the “Average Sugar Intake per Person.” Place the bars on (2) As sugar intake increases, tooth decay increases in Europe and
the left side of each bracketed region and shade the bars as shown the Americas, but not in Africa and Southeast Asia.
below. (The bar for Americas has been done for you.)
(3) The greater the sugar intake, the greater the average number of
decayed teeth.
c. Construct vertical bars in the bracketed area for each world region (4) The greater the sugar intake, the faster a tooth decays.
to represent the “Average Number of Teeth with Decay per Person.”
Place the bars on the right side of each bracketed region and shade in
each bar as shown below.
7.
Yellowstone Park Wolf Update
For the first time in nearly 70 years, the howl of the wolf is
being echoed throughout Yellowstone National Park. Canis lupus,
the gray wolf, one of the largest and most complex of the canine
species, has been successfully reintroduced into the Yellowstone
ecosystem. In mid-January 1995, 14 wolves from many separate
packs were captured in Canada and then transported into
Yellowstone Park and placed into three one acre pens.…
(Source: http://www.yellowstone-bearman.com/w-update.html)
After the wolves were given time to establish a new pack
structure, the packs were released into the wild. The number of
wolf pups was counted each year for four years. The data are shown
in the table below.
Using the information in the data table, construct a bar graph on
the grid, following the directions below.
c. State one possible reason why the wolf population showed a
a. Mark an appropriate scale, without any breaks, on the axis labeled decline from 1997 to 1998.
“Number of Pups.”
____________________________________________________
b. Construct vertical bars to represent the data. Shade in each bar.
____________________________________________________
____________________________________________________
____________________________________________________
8. Insecticides are used by farmers to destroy crop-eating insects.
Recently, scientists tested several insecticides to see if they
caused damage to chromosomes. Six groups of about 200 cells
each were examined to determine the extent of chromosome
damage after each group was exposed to a different
concentration of one of two insecticides. The results are shown
in the data table below.
Using the information in the data table, construct a line graph on
the grid, following the directions below. d. Which insecticide has a more damaging effect on
a. Mark an appropriate scale on the axis labeled, “Number of Cells with chromosomes? Support your answer. [2]
Damaged Chromosomes.” [1]
_________________________________________________
b. Plot the data for methyl parathion on the grid. Surround each point
with a small circle and connect the points. [1] _________________________________________________
_________________________________________________
Example:
_________________________________________________
c. Plot the data for malathion on the grid. Surround each point with a
small triangle and connect the points. [1]
Example:
9. The effect of temperature on the action of pepsin, a protein-
digesting enzyme present in stomach fluid, was tested. In this
investigation, 20 milliliters of stomach fluid and 10 grams of
protein were placed in each of five test tubes. The tubes were
then kept at different temperatures. After 24 hours, the contents
of each tube were tested to determine the amount of protein that
had been digested. The results are shown in the table below.
a. The dependent variable in this investigation is the: (circle the
correct answer) [1]
(1) size of the test tube
(2) time of digestion d. If a sixth test tube identical to the other tubes was kept at a
(3) amount of stomach fluid temperature of 30°C for 24 hours, the amount of protein digested
(4) amount of protein digested would most likely be: (circle the correct answer) [1]
Using the information in the data table, construct a line graph on
(1) less than 1.0 gram
the grid, following the directions below.
(2) between 1.0 and 4.0 grams
b. Mark an appropriate scale on each axis. [1]
(3) between 4.0 and 9.0 grams
c. Plot the data on the grid. Surround each point with a small
circle and connect the points. [1] (4) more than 9.0 grams
Example:
10. Three students each added equal volumes of pond water to
four beakers and placed each beaker in a different water bath.
Each student maintained the water baths at temperatures
shown in the data table. The students then added an equal
number of water fleas to each of their four beakers. After one
hour, the students used microscopes to determine the average
heart rate of the water fleas. The procedure was repeated for
a total of three trials at each temperature. The results of the
investigation are summarized in the data table.
d. The independent variable in this investigation is the: (circle the
correct answer) [1]
(1) number of trials
(2) number of water fleas
In the space above, create a data table by using the information in (3) temperature of the waer
the graph to the right. Be sure to include: (4) average heart rate
a. A title [1]
e. State the relationship between temperature and heart rate in
b. Labels [1] water fleas. [2]
_______________________________________________________
c. Appropriate data [2] _______________________________________________________
