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Unit 1 Review - Characteristics of Life/Scientific Method Flashcards | StudBud
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Unit 1 Review - Characteristics of Life/Scientific Method
Unit 1 Review - Characteristics of Life/Scientific Method
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1
The variables that are kept constant between your groups are:
controlled variables
manipulated variables
experimental variables
responding variables
2
This is NOT one of the properties of life
order
movement
evolution
reproduction
3
How many liters (L) are there in 1.2 kL (kiloliters)?
120
12
12,000
1200
4
How would the data in the table be graphed?
As a histogram
As a line graph
As a bar graph
As a pie graph
5
In an experiment to test the effect of sleep on test scores, the independent variable is
test score
hours of sleep
hours of study
the students being tested
6
Which of the following lists levels of organization from the simplest to most complex?
ecosystem, community, population, organism
ecosystem, biome, population, community
population, tissue, organ, organism
tissue, organism, population, community
7
This serves as a base of comparison for the experimental group(s)
independent variable
hypothesis
control group
prediction
8
In a controlled experiment, you should be testing how many variables at once?
three
one
two
as many as you can
9
a heart represents which levels of organization?
cell, organism, organ system
tissue, organism, cell
organelle, cell, tissue, organ
organelle, organism, organ system
10
A hypothesis should be
testable
an possible explanation for an observed phenomenon
worded as an "if...then" statement
all answers are correct
11
In order to become an accepted theory a hypothesis must be
tested many times
written
believed to be true
trusted
12
What unit is used when measuring the volume of a liquid ?
liters
grams
centimeters cubed
meters
13
At every level of life: ____ defines ____.
function, structure
structure, function
14
What is the smallest structure that can perform all of the activities of life
organism
tissue
cell
organelle
15
How many decigrams (dg) are there in 3245 mg (milligrams). Use the conversion chart below.
324.5
0.03245
3.245
32.45
16
Which of the following are not a major theme of biology?
Life depends on the bonding and interactions between molecules
Life depends on interactions within and beteen systems
Life depends on the flow of information
Life depends on the transfer /transformation of energy and matter
17
How many groups should you have in a controlled experiment?
at least two
at least three
one
as many as you can get
18
Contains a nucleus.
Both prokaryotic and eukayotic cells
eukaryotic cell
prokaryotic cell
19
What elements should ALL good graphs have?
scales that start at 0
colored lines/bars
a legend
descriptive title
20
Which of the following is more complex?
They both have similar complexity.
prokaryotic cell
eukaryotic cell
21
What is the dependent variable in the experiment below?
mL
Titration
pH
NaOH added
22
Independent variables go on the ___ axis while the dependent variables goes on the ___ axis
y, x
x, y
y, y
x, x
23
A testable, possible explanation for a set of observations.
manipulated variable
hypothesis
educated guess
theory
24
Which domain(s) contain prokaryotes?
Bacteria
Archaea and Eukarya
Archaea and Bacteria
Eukarya
25
This is the variable that changes as a result of whatever you are manipulating in the experiment.
dependent variable
independent variable
experimental variable
controlled variable
