Name
Date
Exploring and Classifying Life
I.
. 17. The doctor who showed that maggots hatch from eggs that flies lay on meat, and not
from the meat itself, was
.
a. Pasteur
b. Redi
c. Spallanzani
d. van Helmont
Directions: Match the description in the first column with the term in the second column by writing the correct
letter in the space provided. Some items in the second column may not be used.
1. living thing
2. smallest unit of organisms that carries on life functions
3. changes that living things undergo as they grow
4. anything an organism reacts to
5. reaction of an organism to a stimulus
*••*
/V *
_*!•/•"
6. characteristic of an organism that helps it to survive in its
environment
7. organized problem-solving procedure in science
8. what is being tested in an experiment
9. standard used to compare with the outcome of a test
10. the maintenance of steady conditions inside an organism
a. adaptation
b. biogenesis
c. cell
d. control
e. development
f. homeostasis
g. life span
h. organism
i. response
j. scientific methods
k. stimulus
1- theory
m. variable
Directions: For each of the following, write the letter of the term or phrase that best completes the sentence.
CL
*J
6
11. Babies laughing at four months is an example of
.
a. adaptation
c. growth
b. development
d. respiration
. 18. In the late 1700s,
designed an experiment to show that tiny organisms come
from other tiny organisms in the air.
a. Miller
b. Oparin
c. Redi
d. Spallanzani
19. The theory that living things come only from living things is called
a. biogenesis
c. ecology
b. development
d. spontaneous generation
a. domain
21.
b. dichotomous key c. field guide
13. Linnaeus's major contribution to organism classification was
.
a. a six-kingdom system
c. grouping kingdoms and phylums
b. binomial nomenclature
d. grouping by class, order, and family
d. phylum
experiment showed that substances present in living things could be made
from nonliving things in the environment.
a. Miller's
b. Pasteur's
c. Redi's
d. Van Helmont's
A
is a prediction that can be tested.
a. hypothesis
b. scientific law
c. theory
-II as.
A(n)
a. control
_O
The SI unit of mass is the
.
a. cubic meter
b. kilogram
a. kilometer
.
.
B 20. A detailed list of identifying characteristics that includes scientific names is called a
d. variable
is an explanation of things or events based on many observations.
b. experiment
c. hypothesis
d. theory
-JCL. 25. All of the following EXCEPT _
12. An organism's ability to maintain a steady condition is called
a. biogenesis
c. osmosis
b. homeostasis
d. respiration
b. inch
c. liter
_ are SI units.
c. gram
d. meter
d. tonne
II. Understanding Concepts
Skill: Observing and Inferring
Directions: Answer the following questions using the scientific names for trees listed below.
Pinus banksiana
Pinus contorta
Pinus resinosa
Pinus yirginiana
1. What do the trees have hi common?
"thru
g
<i n\g -U -ViAC
\-J 14. The first word of an organism's scientific name is the
a. class
c. kingdom
b. genus
d. species
15. Most living things are made up of more than
a. 80
c. 60
b. 50
d. 70
Pass
Chapter Test (continued)
Testing Concepts
r^
^
Date
Name
Class
_ percent water.
2. What can you infer is the common name for this type of tree?
ees .
3. Where might you expect to find Pinus virginiana in abundance?
16. The idea that living things come from nonliving things is called
a. adaptation
c. homeostasis
b. biogenesis
d. spontaneous generation
Exploring and Classifying Life 39
"XVi<A\t Co.
40 Exploring and Classifying life
o
Name:
Class:
Date:.
ID: A
L
Chapter 1 Part 1
ID: A
Name:
13. Growth of many-celled organisms is mostly due to an increase in the
Multiple Choice
Identify the choice that beat completes the statement or answers the question.
fl
j>
c
D
3)
B
1. What type of field guide would be the easiest and most efficient to use?
a. encyclopedia with phylum names only
b. dichotomous key
c. Aristotle system
d. encyclopedia with species names only
2. Which is NOT a function of a dichotomous key?
a. avoid errors in communication
b. organisms with similar evolutionary histories are classified together
c. give descriptive information
d. more difficult to find and identify species
3. The first name of the organism's scientific name is the
.
a. species
c. genus
b. family
d. order
4. Scientific names of organisms consist of
.
a. genus and specific name
c. family and genus
b. order and family
d. class and order
5. The classification system most commonly used today separates organisms into
a. three
c. five
b. four
d. six
6. Of the following, which would NOT be grouped with the others?
a. blue jeans
c. sweatpants
b. shorts
d. sweatshirt
7. Dichotomous keys are divided into steps with
descriptions at each step.
a. two
c. five
b. three
d. four
C. ,,
kingdoms.
8. Linnaeus's system gave how many names to each organism?
a. two
c. one
b. three
d. four
9. If you know an insect is a butterfly but don't know its scientific name, it would be best to use a(n) _
find out.
a. dictionary
c. biology textbook
b. encyclopedia
d. dichotomous key
10. The theory that living things come only from other living things is called
.
a. adaptation
c. spontaneous generation
b. biogenesis
d. homcostasis
11. The belief that living things come from nonliving things is called
.
a. biogenesis
c. homeostasis
b. respiration
d. spontaneous generation
12. To solve a problem, scientists follow a series of steps called
.
a. a dichotomous key
c. classifications
b. scientific methods
d. Systems or Units
1
V—" 1
£2
T) 22
of cells.
a. size
c. number
b. protons
d. all of the above
Scientists use prior experience to
.
a. collect data
b. make predictions about what will happen under certain circumstances
c. analyze their data
d. serve as a control in their experiments
One example of technology that is commonly used by scientists is
.
a. computers
c. variables
b. hypotheses
d. observations
Examples of the skills used in science include _____ and
.
a. cholera , E. colt outbreaks
c. facts , inferences
b. clues , detectives
d. observations, measurements
After scientists analyze the results of their experiments, they
.
a. form hypotheses
b. include a control
c. communicate those results to other people
d. choose the variables they want to test
Which of the following steps to solve a problem must be completed ftntl
a. analyzing data
c. forming a hypothesis
b. recognizing and identifying the problem d. testing a hypothesis
Which of the following steps to solve a problem is completed last!
a. analyzing data
c. drawing conclusions
b. recognizing and identifying the problem d. testing a hypothesis
Listing what is known about a problem and possible ways to solve the problem are parts of
.
a. making a plan
c. testing a hypothesis
b. drawing conclusions
d. eliminating bias
can save time and money by testing ideas that would otherwise be difficult to test quickly or easily.
a. Biases
Models
b. Conclusions
d. Variables
A prediction or statement that can be tested is
a. a conclusion
a control
b. an observation
d. a hypothesis
A factor in an experiment that can change is _
a. an observation
c. a control
b. a variable
d. a hypothesis
d- 24 A sample that is treated exactly like the other experimental groups except that the variable is not applied to it
is a(n)
.
a. observation
c. control
b. variable
d. hypothesis
Scientists conduct multiple trials of their experiments because
a. their results are more likely to be reliable
b. it costs less to run more trials than fewer trials
c. unusual occurrences are likely to be repeated every time
d. experiments always have the same results
.
ID: A
Name:_
J>
26. One tool that can be used to display your data is a
.
a. balance
c. microscope
b. spring scale
d. computer
27. One way to reduce bias in an experiment is to
.
a. ask only girls a question about a school topic
b. take numerical measurements of the results
c. use descriptive phrases as your data
d. make sure that the results come out the way you want them
. A good way to organize and record your results and observations is
.
a. in a data table
b. by using a calculator
c. with a balance or spring scale
d. by having a hypothesis before you begin your experiment
'. Which of the following units is part of the International System of Units, or SI?
a. pounds
c. meters
b. ounces
d. inches
Completion
Complete each statement.
30. The theory that living things come only from other living things is known as «—' * *"-t (^ f |CO I^J
31. A two-word name used to classify living things is pi fVt)fftVQ.i
rUifflfcflC |Q*fttf €
32. Anything an organism responds to is a(n) ^nj (Y\. The ability to remain stable is called _
YVv
34. The smallest units of life are known as(_(, Xl»* J*>
J~
35. Another term for living things is
^/i (^lITVi
36. The reaction of an organism to a stimulus is called a
37. The VJT\V4\Ou^ J^V. M of an organism is its evolutionary history.
•.
38. The
r
* i
• ^7
OlfYTTO 1
*
in an experiment is the standard used to compare with the outcome.
Matching
Match each term with its description below.
a. hypothesis
b. variable
c. control
d. SI
39.
40.
41.
42.
e. science
f. technology
g. globalization
use of knowledge to make products or tools that people can use
a sample that is treated exactly like the other experimental groups except that the variable is not applied to it
worldwide distribution
a system of units used by scientists that is based on units of ten
Name: _
f.
ID: A
43. a prediction or statement that can be tested
44. a factor in an experiment that can change
45. a process used to solve a problem
Match a or b to each Term below.
a. general skill used in science
b. specific step scientists follow to solve problems
rt 46.
47.
48.
49.
50.
A 51.
ry 52.
p 53.
fi 54.
observing
analyzing data
forming a hypothesis
comparing and contrasting
classifying
drawing conclusions
recognizing the problem
testing a hypothesis
measuring