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Intro Bio Flashcards | StudBud
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Intro Bio
Intro Bio
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Flashcards
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Questions
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Answers
1
The ability to reproduce is an important part of any
theory
hypothesis
experiment
law
2
When enough experimental data support a hypothesis, the hypothesis becomes a(n)
inference
fact
conclusion
theory
3
During an experiment, which factors are observed and measured?
dependent variable
independent variables
hypotheses
constants
4
The use of a compound light microscope
can magnify objects up to 1000 times
is required for most experiments
is an essential tool for producing 3d images
is necessary to study biology at the chemical level
5
Which phrase best describes scientific theories?
serve as speculations
cannot be replaced
are never proven
explain few observations
6
A theory
may be revised or replaced
is always true
is a problem to be solved
is the opening statement of an experiment
7
What is the term for a group of organisms of one type living in the same place?
biosphere
environment
population
ecosystem
8
Which level of organisms includes all of the other levels?
population
organism
community
ecosystem
9
What is the name given for genetic changes in living things over time?
evolution
homeostasis
adaptation
negative feedback
10
The process by which organisms keep their internal conditions relatively stable is called
metabolism
evolution
homeostasis
photosynthesis
11
The variety of life across the biosphere is called
biodiversity
homeostasis
ecology
genomics
12
A well tested explanation that unifies a broad range of observations is a(n)
hypothesis
controlled experiment
theory
inference
13
A hypothesis is useful only if
it is proven correct
the explanation is already know
it can be proven incorrect
it can be tested
14
Which is NOT a unit of measurement in the metric system?
liter
inch
meter
gram
15
A hypothesis
does not have to be tested to be accepted as correct
may be disproved by a single experiment
can be completely proven
is a proven fact
16
Safety procedures are important when working
in the field
with animals
in a lab
all are correct
17
Because you may come in contact with organisms you can't see, what safety procedure is followed
open the windows of the lab
wash your hands after completing the activity
do not wear long sleeves
read over your activity
18
Which characteristics of living things explains why birds fly south for the winter?
living things respond to their environment
living things maintain internal balance
living things are based on a universal genetic code
living things are made up of units called cells
19
Which of the following terms includes all of the others?
zoologist
biologist
ethologist
botanist
20
The basic unit of mass in the SI is the
pound
gram
meter
liter
21
A physical environment with different species that interact with one another and with nonliving
ecosystem
adaptation
habitat
biosphere
22
The work of science begins with
creating experiments
careful observations
drawing conclusions
testing a hypothesis
23
Hypotheses may arise from
prior knowledge
all are correct
imaginative guesses
logical inferences
24
Science differs from other disciplines because science depends on
facts
observations
testing explanations
theores
25
Information gathered from observing a plant grow 3 cm over a two week period results in
inferences
hypotheses
variables
data
26
Scientists use observations and data to form and test
theories
conclusions
hyphothesis
constants
27
How many centimeters are in 3.5 km?
350000
35000
350
3500
28
Which is a valid hypothesis for why a plant appears to be dying?
the plant is being water too much
the plant is receiving too much sun
all are correct
the plant is not being watered enough
29
What is the difference between quantitative and qualitative data?
qualitative data are easier to collect
quantitative is number based while qualitative is experience
qualitative data are less reliable than quantitative
quantitative is better than qualitative
30
Scientists publish the details of important experiments so that
all are correct
their experimental procedures can be reviewed
their work can be repeated
others can try to reproduce the results
31
Which of the following is NOT a part of how scientists work?
generalizing
observing
hypothesizing
experimenting
32
Which is NOT a goal of science?
to use data to support a particular point of view
to explain events in nature
to use derived explanations to make useful predictions
to investigate and understand nature
33
In the metric system, the basic unit of length is the
meter
kilometer
centimeter
millimeter
34
Which is NOT a safety procedure?
read all of the steps in your activity before doing it
follow your textbook directions exactly
follow your teacher's instructions
if in doubt about part of an activity, trust your instincts
35
Which of the following is NOT a characteristic of all living things?
growth and development
response to the environment
ability to move
ability to reproduce
