Chapter 1:
Biology: The Study of Life
Practice Test
1.
In a controlled experiment, the single factor manipulated by the researcher is the __________ variable and the responding factor that is measured is the _________ variable.
a.
dependent; independent
b.
controlled; uncontrolled
c.
controlled; common
d.
independent; dependent
Hint
2.
What are the common steps the scientists use to gather information to solve problems?
a.
behavior studies
b.
scientific methods
c.
publications
d.
educated guesses
Hint
3.
What do deer, mushrooms, and bacteria all have in common?
a.
They are all the same species
b.
They are all animals
c.
They are all alive
d.
They are all plants
Hint
4.
A scientist`s testable explanation for a question or a problem is a(n) _________.
a.
control
b.
hypothesis
c.
theory
d.
inductive reasoning
Hint
5.
Birds lay eggs that hatch. Over time, the hatchlings become adults. This is an example of __________.
a.
evolution
b.
a response to a stimulus
c.
organization
d.
growth and development
Hint
6.
Which of the following questions is legitimate for science to consider?
a.
Which type of orchid flower is most beautiful?
b.
Is competition good or evil?
c.
How many seals can a killer whale consume a day?
d.
When is religion better than philosophy?
Hint
7.
An experiment is a specific test of a __________.
a.
hypothesis
b.
control
c.
variable
d.
theory
Hint
8.
Any structure, behavior, or internal process that enables an organism to respond to stimuli and better survive in an environment is known as __________.
a.
an adaptation
b.
homeostasis
c.
evolution
d.
unity within diversity
Hint
9.
Any condition in the environment that requires an organism to adjust is known as _________.
a.
homeostasis
b.
a stimulus
c.
a response
d.
an adaptation
Hint
10.
Explanations of natural phenomena supported by large amounts of data are called __________.
a.
data
b.
hypotheses
c.
theories
d.
experiments
Hint
11.
How are hypothesis and theory similar?
a.
Neither a hypothesis nor a theory can be revised.
b.
Theories and hypothesis are produced by experts.
c.
They are both about equally true.
d.
They are both attempts to explain natural phenomena.
Hint
12.
All life begins as a single __________.
a.
plant
b.
cell
c.
parent
d.
animal
Hint
13.
Which variable in an experiment is a measure of the change?
a.
control
b.
dependant variable
c.
independent variable
d.
hypothesis
Hint
14.
Which of the following is an organism?
a.
tree
b.
environment
c.
flame
d.
rock
Hint
15.
The regulation of an organism`s internal environment to maintain conditions suitable for life is called __________.
a.
unity within diversity
b.
homeostasis
c.
evolution
d.
and adaptation
Hint
