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