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Biology and the scientific method Flashcards | StudBud
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Biology and the scientific method
Biology and the scientific method
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A quiz to review essential biology vocabulary for the first unit of study
Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
A factor that remains fixed during an experiment is the
dependent variable
constant
independent variable
control group
2
An educated guess is a
scientific law
hypothesis
theory
3
The pictogram indicates what kind of hazard?
explosives, organic peroxides, self-reacting
carcinogen, reproductive hazard, target organ toxicity
corrosives
oxdizers
4
What is the meaning of the safety symbol?
acute toxicity
environmental toxicity
gasses under pressure
flammable
5
Regulation of an organism's internal environment to maintain conditions needed for life is
habituation
homeostasis
serendipidy
forensics
6
Data or observations which can support or refute a scientific theory or hypothesis is
Accuracy
Precision
Inference
Scientific evidence
7
What does this lab safety symbol warn about?
environmental hazard
explosives
flammable
corrosive chemicals
8
Which helps a dog to maintain homeostasis?
panting
sleeping
hunting
playing
9
A well-tested explanation that brings together many observations in science is a(n)
theory
hypothesis
inference
10
The __ uses units with divisions that are powers of ten.
metric system
English system of measurement
11
Which is true of living organisms but NOT viruses?
They have genetic material
They reproduce
They have cells
They evolve
12
__ refers to how close a measurement is to the real value or accepted value
precision
accuracy
none of the above
error
13
What is the production of offspring?
adaptation
stimulus
reproduction
homeostasis
14
___ refers to how close a series of measurements are to one another.
error
accuracy
precision
15
Descriptive data that can be observed, but not measured; such as color, texture, smell, etc. is
pseudoscience
quantitative data
peer review
qualitative data
16
A group used for comparison in an experiment is called the
independent variable
experimental group
dependent variable
control group
17
This graph represents what characteristic of living things?
requiring energy
growth and development
reproduction
homeostasis
18
The target
is accurate but not precise
is accurate and precise
is precise but not accurate
is neither accurate nor precise
19
Which of the following is NOT a characteristic of all living things
grows and develops
eats food
responds to stimuli
is made of one or more cells
20
Pseudoscience
invites criticisim
demands accurate measurements
undergoes peer review
selects only favorable discoveries
21
The mouse's tail was 9.4 cm long is an example of ...
qualitative data
quantitative data
22
Kim investigated how container size affected growth of trees. What is the independent variable
growth of trees
container size
23
Which best describes a stimulus?
something that causes a reaction in an organism
the addition of mass to an organism
reproducing as a species
the process of natural changes that take place during life
24
Peer review is
a set of moral principles or values
scientific findings are reviewed by scientists in same field
Must occur before scientists publish in a scientific journal
25
In the graph, what is the
dependent
variable?
Temperature
Time
26
The variable that the experimenter manipulates or changes is the ...
responding variable
error
independent variable
dependent variable
27
Which of the following could be a direct observation?
butterflies eat nectar from flowers
fish feel vibrations through special sensors
birds navigate by using magnetic fields
ants communicate with airborne chemicals
28
Why do scientists repeat their experiments?
they are paid to do so
they want to be safe
they need verifiable data
they forgot their results
