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Intro to Biology Flashcards | StudBud
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Intro to Biology
Intro to Biology
30 terms
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Review the characteristics of life, spontaneous generation experiments, scientific method, lions
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What process uses chemical reactions in an organism to build up or break down materials?
reproduction
homeostasis
metabolism
evolution
2
With few variations, life's genetic code is almost identical in every organism on Earth.
false
true
3
Pupils shrink when sudden bright light is beamed into the eye. The light is an example of a ...
homeostasis
response
stimulus
reproduction
4
When an individual organism changes over it's lifetime it is called___.
development
metabolism
evolution
reproduction
5
The variable that gets measured during an experiment is the ....
control group
independent
constants
dependent
6
In what molecule is an organism's genetic code written?
DNA
cells
RNA
nucleotide
7
Which scientist created his own curved-neck flask to allow air into it?
Needham
Pasteur
Spallanzani
Redi
8
Which scientist finally proved that spontaneous generation of organisms does not occur?
Redi
Needham
Spallanzani
Pasteur
9
Which type of graph is used to show changes over time?
bar
circle
line
table
10
Which scientist boiled gravy and saw no growth in his sealed flask?
Needham
Spallanzani
Redi
Pasteur
11
You touch a hot stove and quickly pull your hand away. What is the stimulus?
pulling away
touching the stove
speed of reaction
12
Which scientist thought he proved spontaneous generation because organisms grew in his heated broth?
Needham
Spallanzani
Redi
Pasteur
13
What process occurs when a single organism produces offspring identical to itself?
sexual reproduction
metabolism
homeostasis
asexual reproduction
14
What part of the experiment is used for comparison of results?
control group
dependent
independent
constants
15
In the lion mane study they concluded that female lions look for what?
shorter manes
lighter manes
longer manes
darker manes
16
Which of the following is an example of development?
a tadpole becomes a frog
humans came from apes over millions of years
a fish becomes larger
a tree trunk widens
17
Which portion of the lion study would be considered a case-contolled study?
examining previously collected data
taking the lions' temperature
stuffed lions
fighting lions
18
When you get too hot your sweat glands activate to cool you down. This is an example of ...
development
metabolism
homeostasis
cell specialization
19
When creating a circle graph (pie chart), the proportions or percentages for each category must be converted to ___.
metric
bars
degrees
fractions
20
In the marsh grass experiment, the amount of light, the species & density of grass were all what part of an experiment?
constants
data
independent variable
hypothesis
21
Which variable in an experiment is the one that the scientist manipulates?
independent
dependent
control group
constants
22
Cells from 2 parents unite to form the first cell of a genetically different organism during...
evolution
DNA
sexual reproduction
asexual reproduction
23
What is the smallest unit of life, considered to be fully alive?
cell
DNA
organ
atom
24
In the lion mane study what did they discover about neck wounds?
they are deadly
they are not serious or more common
they only occur in females
they are more common
25
All living things need to obtain and use material and energy. This is called ...
metabolism
homeostasis
responding to stimuli
development
26
Which scientist put meat in jars?
Spallanzani
Redi
Needham
Pasteur
27
For an organism to be considered a living thing, it must have ALL the characteristics of life.
true
false
28
What chemical was added (independent variable) to some plots in the marsh grass experiment?
carbon dioxide
nitrogen
water
phosphorus
29
How did they take the lions' temperature in the lion mane study?
back of their hand
rectal thermometer
infrared cameras
ear thermometer
30
The process of keeping internal conditions stable when external conditions change is called ...
metabolism
stimulus
evolution
homeostasis