BIOLOGY I EXAM #1 UPDATED ACTUAL QUESTIONS
WITH CORRECT ANSWERS
Question 1.
5 steps of scientif ic method
ANSWER
-
1. observation
2. question
3. hypothesis
4. experiment
5. conclusion
Question 2.
observation
ANSWER
act of viewing the world around us
Question 3.
question
ANSWER
made based off of an observation
Question 4.
hypothesis
ANSWER
a tentative explanation for an observation
,Question 5.
controlled experiment
ANSWER
- test several groups
- introduce a single variable per treatment
- keep conditions as similar as possible from one group to the next
Question 6.
conclusion
ANSWER
supports/refutes hypothesis
- more experimentation needed if refuted
Question 7.
prediction
ANSWER
a guess of what might happen based on observation-- the outcome you would observe if your
hypothesis was supported
Question 8.
theory
ANSWER
a sound explanation of the world supported through continued observation and experiments
over a long period of time
Question 9.
3 components of a controlled experiment
ANSWER
1. variable
2. test group
3. control group
,Question 10.
variable
ANSWER
feature of an experiment that is changed from one treatment to the next
Question 11.
test group
ANSWER
exposed to variable in an experiment
Question 12.
control group
ANSWER
not exposed to the variable in an experiment
Question 13.
importance of test group & con trol group
ANSWER
they allow researchers to determine whether the variable in an experiment has an
- effect
Question 14.
independent variable
ANSWER
manipulation performed on the test group (ex. hours of tutoring)
Question 15.
which axis is the independent variable found on a graph?
ANSWER
x-axis
, Question 16.
dependent variable
ANSWER
effect that is being measured (ex. test score)
Question 17.
which axis is the dependent variable found on a graph?
ANSWER
y-axis
Question 18.
theory of evolution
ANSWER
set of hypotheses that provide a powerful explanation for both biological observations & the
diversity of life
Question 19.
why do we learn that the theory o evolution is the single most important theory in all of biology?
ANSWER
there's lots of evidence from asking/testing good scientific questions f (ex. anatomy, fossil
record, biogeography, molecular biology)
Question 20.
7 ways living organisms are different from
ANSWER
1. organization - complex organization
2. response - ability to change in response to the environment
3. reproduction - ability to reproduce
WITH CORRECT ANSWERS
Question 1.
5 steps of scientif ic method
ANSWER
-
1. observation
2. question
3. hypothesis
4. experiment
5. conclusion
Question 2.
observation
ANSWER
act of viewing the world around us
Question 3.
question
ANSWER
made based off of an observation
Question 4.
hypothesis
ANSWER
a tentative explanation for an observation
,Question 5.
controlled experiment
ANSWER
- test several groups
- introduce a single variable per treatment
- keep conditions as similar as possible from one group to the next
Question 6.
conclusion
ANSWER
supports/refutes hypothesis
- more experimentation needed if refuted
Question 7.
prediction
ANSWER
a guess of what might happen based on observation-- the outcome you would observe if your
hypothesis was supported
Question 8.
theory
ANSWER
a sound explanation of the world supported through continued observation and experiments
over a long period of time
Question 9.
3 components of a controlled experiment
ANSWER
1. variable
2. test group
3. control group
,Question 10.
variable
ANSWER
feature of an experiment that is changed from one treatment to the next
Question 11.
test group
ANSWER
exposed to variable in an experiment
Question 12.
control group
ANSWER
not exposed to the variable in an experiment
Question 13.
importance of test group & con trol group
ANSWER
they allow researchers to determine whether the variable in an experiment has an
- effect
Question 14.
independent variable
ANSWER
manipulation performed on the test group (ex. hours of tutoring)
Question 15.
which axis is the independent variable found on a graph?
ANSWER
x-axis
, Question 16.
dependent variable
ANSWER
effect that is being measured (ex. test score)
Question 17.
which axis is the dependent variable found on a graph?
ANSWER
y-axis
Question 18.
theory of evolution
ANSWER
set of hypotheses that provide a powerful explanation for both biological observations & the
diversity of life
Question 19.
why do we learn that the theory o evolution is the single most important theory in all of biology?
ANSWER
there's lots of evidence from asking/testing good scientific questions f (ex. anatomy, fossil
record, biogeography, molecular biology)
Question 20.
7 ways living organisms are different from
ANSWER
1. organization - complex organization
2. response - ability to change in response to the environment
3. reproduction - ability to reproduce
