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Ch. 1 The Science of Biology Flashcards | StudBud
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Ch. 1 The Science of Biology
Ch. 1 The Science of Biology
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1
An inference is ___________.
a statement involving numbers
a logical interpretation of an observation
the same as an observation
a way to avoid bias
2
The purpose of peer review in science is to ensure that ______________.
all scientific research is funded
all scientific results are published
the results of experiments are what were expected
published results meet standards set by the scientific community
3
By measuring the height of the turtle, a scientist is gathering ___________.
dependent variables
qualitative data
quantitative data
independent variables
4
Which of the following would be an internal stimuli a bird would respond to?
crying from its offspring
the feeling of being hungry
other birds' calls
loud noises that indicate danger
5
The process in which two cells from different parents unite to produce the first cell of a new organism is called _____.
homeostasis
development
asexual reproduction
sexual reproduction
6
Which field of biology is based on our ability to "edit" genetic code (DNA)?
biotechnology
genomics and molecular biology
ecology and evolution of infectious diseases
global ecology
7
Evolutionary theory has become a central principle of biology. Could this scientific theory become a scientific law?
Yes, if the theory is shown to predict future events
Yes, if scientists decide that enough evidence supports the theory
No, because a theory cannot be proven correct while a law can
No, because a theory is a complex explanation that does not become a law
8
A skeptical attitude in science ____________.
means a new idea will only be accepted if it is backed by evidence
is unimportant
prevents scientists from accepting new ideas
encourages scientists to readily accept new ideas
9
Which of the following is true about multicellular and unicellular organisms?
only multicellular organisms grow
only multicellular organisms go through development
only unicellular organisms go through development
only unicellular organisms grow
10
What part of scientific methodology usually leads to forming a hypothesis?
designing controlled experiments
collecting and analyzing data
observing and asking questions
drawing conclusions
11
Which of the following is NOT a characteristic shared by all living things?
ability to reproduce
maintain internal balance
respond to their environments
can move
12
You grow two plants in identical conditions except one is given fertilizer and one isn't. What is your control plant?
The one without fertilizer
The one with fertilizer
13
Which characteristic of living things helps them keep homeostasis?
based on a universal genetic code
need for materials and energy
maintaining internal balance
made up of cells
14
When you exercise, you sweat in order for your body to maintain homeostasis.
False
True
15
Which of the following statements about a controlled experiment is accurate?
only one variable is tested at a time
all the variables must be kept the same
everything can be studied by setting up a controlled experiment
controlled experiments cannot be performed on living things
16
Which field of biology looks at the entire set of DNA code in organisms?
genomics and molecular biology
biotechnology
global ecology
ecology and evolution of infectious diseases
17
A scientist who favors one explanation over another because they like the scientist who proposed it is an example of
skepticism
peer review
curiosity
bias
18
Which of the following is a proposed explanation and is used early in scientific investigations?
observation
experiment
hypothesis
theory
19
You fill five flower pots with a different type of soil and plant bean seeds in them. What is your independent variable?
the soil types
the bean seeds
the growth of the plants
the flower pots
20
A scientific theory is ____________.
a well-tested explanation that unifies a broad range of observations
the same as the conclusion of an experiment
the same as a hypothesis
the first step in a controlled experiment
