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Unit 1: Biology Flashcards | StudBud
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Unit 1: Biology
Unit 1: Biology
30 terms
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A review on the -science lab safety -scientific method -graphing -characteristics of life
Flashcards
30 cards
F
Practice quiz
P
Host live
L
Questions
30
Answers
1
This picture best describes which characteristic of living things?
Living things grow and develop
Living things are made up of cells
Living things reproduce
Living things need material and energy
2
The boy grew 5 inches in one year. This represents which characteristic of life?
Growth and Development
Reproduction
Response to the Environment
Made of Cells
3
The part of an experiment in which all conditions are kept "normal" is the ________________.
independent variable
hypothesis
conclusion
control
4
The work of scientists usually begins with
careful observations
testing a hypothesis
drawing conclusions
creating experiments
5
Which of the following is a response?
eating a lemon
your mouth watering at the sight of food on a plate
the sun beating down in mid-July
a sudden drop in air temperature
6
All living things ______________ to make more living things.
develop
adapt
grow
reproduce
7
How do scientific theories compare to hypothesis?
Theories unify a broad range of observations and hypotheses
Hypotheses combine ideas of many theories to explain events
Hypotheses are the dominant view among scientists
Theories are the same as hypothesis
8
Is the flame on a candle living or nonliving?
living
nonliving
9
Due to observations, you suggest that the presence of water could accelerate the growth of mold
This is a hypothesis
This is an analysis
This is an experiment
This is a conclusion
10
Which of the following is a question that can be answered by science?
Do people watch too much tv?
What is beauty?
Is it ethical to do experiments on animals?
How does DNA influence a person's health?
11
Life's basic unit of structure and function is the
gene
species
organism
cell
12
Which of the following is a stimulus?
your mouth watering at the sight of food on a plate
getting "butterflies" before giving a speech
a sudden drop in air temperature
students going into school after hearing the bell ring
13
The steps used by scientists in gathering information to test hypotheses and solve problems:
scientific method
applied science
descriptive research
pure science
14
A well-tested explanation that explains a lot of observations is
a hypothesis
an inference
a controlled experiment
a theory
15
"When that car pulled in the driveway, my cat ran to hide under my porch."
This represent using energy
This represents made of cells
This represents development and growth
The represents response to the environment
16
A structured procedure for collecting information to test a hypothesis is a(n)
theory
law
experiment
hypothesis
17
Define dependent variable:
the variable that is being measured
the variable that is different from the control
the variable stays the same
the scientific procedure to solve a problem
18
What did Ms. Kennedy study in Ireland?
physics
marine biology
botany
electrochemistry
19
Which of the following is NOT a characteristic of all living things?
growth and development
ability to move
ability to reproduce
response to the environment
20
Which of the following is NOT considered a safety procedure?
follow all instructions exactly as listed
always trust your instinct if ever in doubt
wear all safety equipment when using harmful substances
read all steps in your activity before doing it
21
During a controlled experiment, a scientist isolates and tests
a conclusion
a single variable
a control group
a mass of information
22
"Eat a good breakfast and you'll be able to run longer!"
This represents responding to the enviroment
This represents growth and development
This represents made of cells
This represents using and obtaining energy
23
Which of the following characteristics BEST explains why some birds fly south for the winter?
Living things respond to their environment
Living things maintain internal balance
Living things are based on a universal genetic code
Living things are made up of cells
24
Information gathered from observing a plant grow 3 cm over a 2-week period is called
variables
hypothesis
data
inferences
25
A scientific hypothesis
can be based on personal beliefs or opinions
can be tested by experiments or observations
is a proven fact with much evidence to support it
does not have to be tested to be accepted as correct
26
An explanation for HOW an object in motion, stays in motion. This is:
a description
a statement
a theory
a scientific law
27
The information gathered from experiments is called
the data
the hypothesis
the research
the conclusion
28
The average human body carries ten times more bacterial cells than human cells
True
False
29
Define independent variable:
the variable that is being measured
the variable found on the Y axis
the variable that always stays the same
the variable that is tested and changed due to the control
30
The process by which organisms keep their internal conditions relatively stable is called
evolution
homeostasis
reproduction
hypothesis
