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SUPA Bio Characteristics of Life & Scientific Method Flashcards | StudBud
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SUPA Bio Characteristics of Life & Scientific Method
SUPA Bio Characteristics of Life & Scientific Method
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1
What is the smallest unit of life, considered to be fully alive?
cell
DNA
organ
atom
2
The order of the Scientific Method is....
Observe, ask ?, Make Hypothesis, Do Experiment, Conclusion, Gather Data
Ask a ?, Observe, Make Hypothesis, Gather Data, Do Experiment, Conclusion
Ask a ?, Observe, Make Hypothesis, Do Experiment, Get Data, Conclusion
Observe, Ask a ?, Make Hypothesis, Do Experiment, Gather Data, Conclusion
3
what is the independent variable? (*can be more than one answer)
responding variable
the thing you're observing
manipulated variale
the thing your testing
4
What is a scientific theory?
A tested concept that explains a wide range of observations or hypotheses
A guess that can't be tested
an educated guess, much like a hypothesis
A test made by animals
5
Cells from 2 parents unite to form the first cell of a genetically different organism during...
evolution
asexual reproduction
sexual reproduction
DNA
6
What is a scientific law?
Explanation made on the basis of limited evidence
Observations that describes some phenomenon of nature (usually with math)
A total guess or prediction
Explanation of some aspect of the natural world
7
An individual organism can evolve over one lifetime.
false
true
8
Pupils shrink when sudden bright light is beamed into the eye. The light is an example of a ...
response
stimulus
9
What is the dependent variable in the experiment shown below? Different types of fertilizer on plant growth.
amount of sunlight
amount of water
type of fertilizer
plant height
10
You touch a hot stove and quickly pull your hand away. What is the stimulus?
touching the stove
speed of reaction
pulling away
11
The process of keeping internal conditions stable when external conditions change is called ...
metabolism
evolution
homeostasis
stimulus
12
In what molecule is an organism's genetic code written?
RNA
nucleotide
cells
DNA
13
Dependent variables _______..... *can be more than one answer.
the variable that is measured
the manipulated variable
can change due to other variables
permanent
14
What is a hypothesis
a total guess
Educated guess that can be tested
Law about certain things
Explanation for something
15
All living things need to obtain and use material and energy. This is called ...
homeostasis
development
responding to stimuli
metabolism
16
In a valid experiment there can be how many Independent Variables
4
1
2
3
17
What is the independent variable in the experiment shown below? Different types of fertilizer on plant growth.
plant height
type of fertilizer
amount of sunlight
amount of water
18
What does it mean to have a control group? *can be more than one answer
a study that does receive the experimental treatment
A study that does not receive treatment by the researchers.
serves as a method of comparison.
a study were a treatment is intentionally and a result.
19
What process occurs when a single organism produces offspring identical to itself?
homeostasis
sexual reproduction
metabolism
asexual reproduction
