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All About Bacteria
Bacteria are
When classifying organisms, what are the two groups that
Prokaryotes
scientists separate living things into?
_______________________ and _______________________
Describe the cells of eukaryotes: ________________________
___________________________________________________
Give three examples of eukaryotes: _____________________ ,
______________________, and ________________________
Describe the cells of prokaryotes: _______________________
___________________________________________________
Give an example of a prokaryote: _______________________
The Smallest
Organisms
Which invention led to the discovery of bacteria?
__________________________________________________
What are the three shapes of bacteria? ___________________,
_________________________, and _____________________
What do bacteria use flagella for?
____________________________________________________
Classifying
Organisms
In addition to movement, what else do scientists use to classify
bacteria? ___________________________________________
Gram positive bacteria appear violet and gram negative appear
read. This difference in color is due to
____________________________________________________
Bacteria that need oxygen are ________________________.
Bacteria that do not use oxygen are ______________________.
Bacteria that use oxygen but that can survive where there is little
oxygen available are __________________________________.
Helpful and
Harmful
Bacteria
List 3 ways that bacteria are harmful:
1.
2.
3.
Bacteria that cause disease are called _____________________.
List 3 ways that bacteria are helpful:
1.
2.
3.
What are
Antibiotics?
What causes strep throat? _______________________________
If you test positive for strep throat, what will the doctor
prescribe for you? ___________________________________
Antibiotics work be blocking____________________________
___________________________________________________
such as _____________________________________________
Bell Ringer
1. A controlled experiment allows the scientist to isolate and test
a.
a conclusion.
b.
a mass of information.
c.
several variables.
d.
a single variable.
2. The set of skills or steps that scientists use to answer questions is the
a.
scientific method
c. taxonomy
b.
controlled experiment
d.
binomial nomenclature
3. A set of related hypotheses that are supported by evidence may become accepted as a
a.
fact
c.
scientific method
b.
theory d.
controlled experiment
4. Alana conducted an experiment to see which type of coffee cup kept coffee the hottest for
the longest period of time. She put 200ml of boiling water (125o Celsius) in each of the
following cups: a Styrofoam cup, a paper cup, and a ceramic cup. Every five minutes she
measured the temperature of each of the cups with a digital thermometer. She did this for
20 minutes. At the end of the experiment, she found that the Styrofoam cup kept the water
the hottest.
What was the manipulated variable in this experiment?
What were her controls?
What was the responding variable?