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Chapter 1 "The Science of Biology" Flashcards | StudBud
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Chapter 1 "The Science of Biology"
Chapter 1 "The Science of Biology"
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Pearson Biology - Chapter 1 Test Review
Flashcards
18 cards
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Questions
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Answers
1
The basic unit of length in the metric system is the _____.
gram
foot
inch
meter
2
True or False: Science provides answers to some of society's most difficult ethical issues.
True
False
3
What are the smallest objects biologists study?
cells
organisms
molecules
body organs
4
How many grams are there in 3.4 kg?
34
0.34
0.034
3,400
5
Every living thing is made up of a set of body parts. Each body part has a specific job or __.
experiment
theory
function
variable
6
Why is creativity considered a scientific attitude?
Creativity helps scientists come up with better experiments.
Scientists need creativity to make good posters of ideas.
Creative scientists imagine results without experimenting.
Creative scientists are better at training animals.
7
TRUE or FALSE: A scientific theory unifies a broad range of observations and hypotheses.
True
False
8
If a scientist proposed a hypothesis for a new vaccination, other scientists would likely ____
change the hypothesis to fit their findings
reject the hypothesis right away.
design new experiments to test the hypothesis.
assume that the hypothesis is true for all vaccinations.
9
Science differs from other disciplines, like history and math, because science relies on _____
theories
testing explanations
observations
facts
10
Cells in multicellular organisms have many different shapes and sizes. Cell specialization ___
allows cells to be less complex.
allows cells to respond to their environment.
allows cells to perform different functions.
allows cells to reproduce.
11
Measurements made while watching the growth of a pea plant are called ____
hypotheses
data
variable
inferences
12
An article that is read carefully and checked by other scientists is going through ____.
photosynthesis
homeostasis
peer review
experimentation
13
What big idea in biology is MOST concerned with DNA?
interdependence with nature
matter and energy
information and heredity
cellular basis of life
14
Suppose a scientific idea is well-tested, but cannot explain one particular event. The idea is
a hypothesis that must be retested.
a theory that needs revision.
a theory that must be discarded.
an incorrect hypothesis.
15
Based on your observations, you suggest that acid rain accelerates rusting of metal. This is __
an experiment
a hypothesis
a conclusion
an analysis
16
Who reviews articles for peer-reviewed journals?
The scientists who did the experiments.
Anonymous and independent experts.
Friends of the scientists who wrote the articles.
People who paid for the experiments.
17
A length of 4000 meters is equal to ____
40 kilometers.
400 kilometers.
4 kilometers.
0.04 kilometers.
18
An experiment in which only one variable is changed is called a _____.
controlled experiment.
variable experiment.
independent experiment.
dependent experiment.
