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Chapter 1 CK12 Flashcards | StudBud
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Chapter 1 CK12
Chapter 1 CK12
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A review of #Chapter1 of the online #CK12 #Biology textbook.
Flashcards
50 cards
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Questions
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Answers
1
The scientist most often associated with evolution is
Albert Einstein
Alfred Wallace
Charles Darwin
Isaac Newton
2
A main difference between a scientific theory and a hypothesis is that
the theory is a possible answer to a scientific question.
All of the above
the theory has been repeatedly tested and proven.
the hypothesis is generally accepted as true
3
An example of a dependent variable in an experiemental study is
the amount of light plants are exposed to each day
the amount plants grow under specific conditions
the amount of fertilizer given to plants
the amount of water given to plants each day
4
Homeostasis is
maintaining a stable internal environment.
the ability to respond to changes in their environment
the ability to grow and develop
the ability to give rise to offspring
5
When a scientist makes observations of a phenomena, it helps him/her...
communicate why and how the phenomena is occuring
make conclusions about the phenomena
gather data without forming an experiment
form a question about the phenomena
6
Science is a way of gaining knowledge about the natural world.
false
true
7
The final step in the scientific method is
communicate results
gather data
analyze data
draw conclusions
8
The scientific method always begins by asking a question.
true
false
9
Life on Earth was created through a method other than evolution. This statement
is outside the realm of science.
can be proved using the scientific method.
is an example of a hypothesis.
is a scientific observation
10
Which order of organizational levels is correct, from smallest to largest?
community, biome, biosphere, ecosystem
biome, ecosystem, community, population
population, community, biosphere, biome
population, community, ecosystem, biome
11
The ___ variable is affected by manipulations within an experiment
reliable
dependent
uncontrolled
independent
12
Over many generations, living things become better adapted to their environment through
development
natural seleciton
symbiosis
homestasis
13
Mr. Lantz will throw up if he eats two trays of Oreos. Is this an acceptable hypothesis?
No, it cannot be tested.
Yes, although it cannot be tested.
No, he does that every night anyways.
Yes, it is falsifiable.
14
Natural studies can be more difficult than lab studies because scientists
cannot determine the best time of day to collect their data
can't control factors that may affect variables of interest
cannot determine which data to analyze.
cannot control which factor is the dependent variable
15
An example of a scientific law is the law of
relativity
gravity
nature
evolution
16
The best definition of biology is: The science of
living organisms
life
plants and animals
the human body
17
A characteristic that allows an organism to better survive in a certain environment is a(n) ___
adaptation
product of natural selection
hairball
embedded trait
18
Science is based on certain assumptions, including
nature can be understood through systematic study
all of the above.
sound scientific ideas can withstand the test of time.
scientific ideas are open to revision
19
An ecosystem consists of both ____ and nonliving things.
living
thriving
natural
humans
20
Evolution states that
living things never change
Giraffes are weird
living things do not make adaptations to their environment
all living things change over time
21
science
Is used to fully understand everything in nature
is a way of gaining knowledge about the natural world.
is not dependent on the scientific method
all of the above
22
The theory of evolution and cell theory are well-known scientific ___
laws
theories
predicitons
hypotheses
23
Which of the following is not true about cells?
All living cells always come from other living cells
They are the basic unit of structure and function of life
It takes many cells to make a living organism
All living thing begins life as a single cell
24
Examples of scientific models include
a model of an atom showing the nucleus and the electrons
a map of the solar system
all of the above
diagram of a food chain
25
The gene theory states that living things are
influenced by nucleii directly imported to offspring
not influenced directly by parents
controlled by blood which passes from parents to offspring
controlled by genes which pass from parents to offspring
26
Interdependence of organisms explains the concept that living things
cannot live alone.
depend on their environment to supply them resources.
are dependent on other organisms for food.
can be independent organisms.
27
A(n) ____ is used by scientists to gather data in order to evaluate a hypothesis
web page
experiement
prediction
hypothesis
28
A good hypothesis is always correct
false
true
29
The theory best explains why cells of human beings and chimps share 98% of the same genes is
cell theory
theory of life
theory of evolution
gene theory
30
Scientists understand that
We can't understand any of the phenomena in nature
sound scientific ideas are frequently altered
scientific ideas are fact, and can never be revised
science cannot provide the answer to all questions
31
A scientific theory is not supported by a great deal of evidence.
false
true
32
An inference is anything detected through the senses with instruments or measuring devices.
True
False
33
Which is the correct order in a scientific investigation?
question, hypothesis, communicate results, conclusions
question, observations, test hypothesis, conclusions
conclusions, question, hypothesis, test hypothesis
observations, question, hypothesis, test hypothesis
34
Which is NOT a characteristic of living things?
consisting of more than one cell
producing offspring
all are correct
respond to the environment
35
The kingdoms of life include which of the following kingdoms?
Bacteria, Protist, Fish, and Animal
Bacteria, Grass, Plant, and Animal
all of the above
Archaebacteria, Fungus, Plant, and Protist
36
Unifying principles of biology include the cell theory, the gene theory, evolution and
reproduction
interdependence of living things
natural selection
homeostasis
37
A scientific theory is
explanation for events that are generally accepted as true
an educated guess
a statement of what ALWAYS happens conditions in nature.
a guess about how or why something happens.
38
A complex chemistry is most related to
detecting changes in the environment.
giving rise to offspring.
maintaining a stable internal environment
chemical changes
39
Symbiosis is a close relationship between species in which both organisms always benefit.
false
true
40
The number of different species alive today is a measure of Earth’s
biology
biosphere
biome
biodiversity
41
Molecules of DNA have instructions that tell cells what to do
false
true
42
A cell can best be described as
the smallest unit of function of living things
basic unit of the structure and function of living things
the smallest characteristic of living things
the basic structural unit necessary for living things.
43
A good hypothesis must be
random
falsifiable
true
long
44
A(n) ___ is an individual living thing
atom
cell
virus
element
45
The ____ variable is the manipulated variable in an experiment
dependent
independent
reliable
uncontrolled
46
Testing a(n) ___ involves performing a(n) ___.
hypothesis, experiment
observation, hypothesis
experiment, observation
conclusion, prediction
47
A (?) tells what always happens under certain conditions
hypothesis
scientific law
experiment
scientific theory
48
Organism --> Population --> Ecosystem --> Community --> Biome --> Biosphere
wrong
right
idk
49
Viruses are classified as living organisms because
they grow and develop
they reproduce
they maintain homeostais
they are not classified as living organisms
50
To be classified as a living organism, an object must
be able to reproduce sexually
be made of more than one cell
all of the above
have a complex chemistry
