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