Biology I Exam #1
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1. 5 steps of scientif- 1. observation
ic method 2. question
3. hypothesis
4. experiment
5. conclusion
2. observation act of viewing the world around us
3. question made based off of an observation
4. hypothesis a tentative explanation for an observation
5. controlled exper- - test several groups
iment - introduce a single variable per treatment
- keep conditions as similar as possible from one group to the next
6. conclusion supports/refutes hypothesis
- more experimentation needed if refuted
7. prediction a guess of what might happen based on observation-- the outcome you would
observe if your hypothesis was supported
8. theory a sound explanation of the world supported through continued observation and
experiments over a long period of time
9. 3 components of 1. variable
a controlled ex- 2. test group
periment 3. control group
10. variable feature of an experiment that is changed from one treatment to the next
11. test group exposed to variable in an experiment
12. control group not exposed to the variable in an experiment
, Biology I Exam #1
Study online at https://quizlet.com/_j95byx
13. importance of they allow researchers to determine whether the variable in an experiment has an
test group & con- effect
trol group
14. independent manipulation performed on the test group
variable (ex. hours of tutoring)
15. which axis is x-axis
the independent
variable found
on a graph?
16. dependent vari- effect that is being measured
able (ex. test score)
17. which axis is the y-axis
dependent vari-
able found on a
graph?
18. theory of evolu- set of hypotheses that provide a powerful explanation for both biological obser-
tion vations & the diversity of life
19. why do we learn there's lots of evidence from asking/testing good scientific questions
that the theory of (ex. anatomy, fossil record, biogeography, molecular biology)
evolution is the
single most im-
portant theory in
all of biology?
20. 7 ways living 1. organization - complex organization
organisms are 2. response - ability to change in response to the environment
different from 3. reproduction - ability to reproduce
, Biology I Exam #1
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non-living organ- 4. evolution - capacity to evolve
isms 5. metabolism - chemical rxns that sustain life
6. homeostasis - maintenance of stable internal environment
7. growth - regulated growth/cell division
21. 1st law of ther- energy can neither be created nor destroyed; it can only be transformed from one
modynamics form into another
22. how does the 1st - living organisms transform energy from sunlight --> chemical energy
law of thermody- - cells convert energy by expending it & giving off heat as a by product
namics apply to
living organisms?
23. 2nd law of ther- the amount of entropy in the universe is constantly increasing
modynamics
24. entropy amount of disorder in a system
25. disorder # of states that a system can take on
26. how does tem- higher temp --> molecules move faster --> more entropy
perature affect
entropy?
27. how does the - living organisms are highly organized (takes a lot of energy to maintain organi-
2nd law of ther- zation)
modynamics ap- - cell is highly organized
ply to living or- - cells give off energy as heat --> movement of molecules in surrounding envi-
ganisms? ronment increases --> entropy of entire system increases
28. does a dog or bucket of water - less organized, more disorder
bucket of water
have more en-
tropy?
Study online at https://quizlet.com/_j95byx
1. 5 steps of scientif- 1. observation
ic method 2. question
3. hypothesis
4. experiment
5. conclusion
2. observation act of viewing the world around us
3. question made based off of an observation
4. hypothesis a tentative explanation for an observation
5. controlled exper- - test several groups
iment - introduce a single variable per treatment
- keep conditions as similar as possible from one group to the next
6. conclusion supports/refutes hypothesis
- more experimentation needed if refuted
7. prediction a guess of what might happen based on observation-- the outcome you would
observe if your hypothesis was supported
8. theory a sound explanation of the world supported through continued observation and
experiments over a long period of time
9. 3 components of 1. variable
a controlled ex- 2. test group
periment 3. control group
10. variable feature of an experiment that is changed from one treatment to the next
11. test group exposed to variable in an experiment
12. control group not exposed to the variable in an experiment
, Biology I Exam #1
Study online at https://quizlet.com/_j95byx
13. importance of they allow researchers to determine whether the variable in an experiment has an
test group & con- effect
trol group
14. independent manipulation performed on the test group
variable (ex. hours of tutoring)
15. which axis is x-axis
the independent
variable found
on a graph?
16. dependent vari- effect that is being measured
able (ex. test score)
17. which axis is the y-axis
dependent vari-
able found on a
graph?
18. theory of evolu- set of hypotheses that provide a powerful explanation for both biological obser-
tion vations & the diversity of life
19. why do we learn there's lots of evidence from asking/testing good scientific questions
that the theory of (ex. anatomy, fossil record, biogeography, molecular biology)
evolution is the
single most im-
portant theory in
all of biology?
20. 7 ways living 1. organization - complex organization
organisms are 2. response - ability to change in response to the environment
different from 3. reproduction - ability to reproduce
, Biology I Exam #1
Study online at https://quizlet.com/_j95byx
non-living organ- 4. evolution - capacity to evolve
isms 5. metabolism - chemical rxns that sustain life
6. homeostasis - maintenance of stable internal environment
7. growth - regulated growth/cell division
21. 1st law of ther- energy can neither be created nor destroyed; it can only be transformed from one
modynamics form into another
22. how does the 1st - living organisms transform energy from sunlight --> chemical energy
law of thermody- - cells convert energy by expending it & giving off heat as a by product
namics apply to
living organisms?
23. 2nd law of ther- the amount of entropy in the universe is constantly increasing
modynamics
24. entropy amount of disorder in a system
25. disorder # of states that a system can take on
26. how does tem- higher temp --> molecules move faster --> more entropy
perature affect
entropy?
27. how does the - living organisms are highly organized (takes a lot of energy to maintain organi-
2nd law of ther- zation)
modynamics ap- - cell is highly organized
ply to living or- - cells give off energy as heat --> movement of molecules in surrounding envi-
ganisms? ronment increases --> entropy of entire system increases
28. does a dog or bucket of water - less organized, more disorder
bucket of water
have more en-
tropy?
