BIOL 133 Week 1 Quiz | Assignment Help | American Public University System
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- 27 Dec 2019
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BIOL 133 Week 1 Quiz | Assignment Help | American Public University System
Week 1 Quiz
Question 1 of 10
Which is an example of a hypothesis that can explain
the observation, the flashlight does not work?
o
The batteries are dead or the bulb is
burned out.
o
Replacing the batteries will make the
flashlight work.
o
The batteries are dead.
o
If the bulb is replaced will the
flashlight work?
Question 2 of 10
When a sperm uses chemical signals to navigate the
swim towards the egg, it is positive response. This is a form of
o
homeostasis
o
regulation
o
growth
o
development
o
response
The integumentary system is composed of skin, hair,
nails and glands. The skin contains areolar tissue. Areolar tissue contains
fibroblast and macrophage cells. What characteristic of life does this
represent?
o
homeostasis
o
regulation
o
growth
o
development
o
organization
Question 4 of 10
An experiment tested the health effects of a
nutritional supplement by the following procedure:
People were asked to choose to join the experimental
group or the control group. People in the experimental group were given the
supplement added to a pink, strawberry-flavored drink. People in the control
group were given a glass of water. One hour later, the people were asked “Do
you feel better?”
How would you improve the experimental protocol?
(Select all necessary changes.)
o
People should be randomly assigned to one
group or the other.
o
The drinks should both look and taste the
same.
o
The assessment should instead ask “Do you
feel worse?”
o
People in the experimental group should be
warned that they are getting a drug
o
The assessment should measure something
more specific, such as blood pressure.
o
Sick people should all join the experimental
group, so they can benefit from the supplement.
o
Vitamins should also be added to the
experimental drinks, to make the health effects stronger.
Based on levels of an organization, which example
represents the broadest level?
o
respiratory system
o
alligator
o
alligators, bass, long-nosed gar
o
Mississippi River
o
School of bass
A decrease in blood water levels is detected in the
brain. The brain sends signals to the pituitary gland to release hormones that
communicate with the kidney to reabsorb water, which will increase blood water
levels. This represents what life property?
o
homeostasis
o
growth
o
regulation
o
reproduction
o
development
Question 7 of 10
Place the steps of the scientific method in order from
beginning to end.
1) Form a hypothesis
2) Analyze the results
3) Perform the experiment
4) Form a conclusion
5) Make an observation
6) Support or reject the hypothesis
o
1,6,2,5,3,4
o
5,1,3,2,4,6
o
6,4,2,3,1,5
o
4,5,3,2,1,6
When the brain, spinal cord and nerves of the body
communicate with each other, it represents the _______________ level of
organization.
o
cellular
o
organ
o
system
o
community
Question 9 of 10
What sequence increases in complexity for levels of
biological organization?
o
atoms, cells, tissues, molecules, organs,
systems
o
atoms, molecule, cells, tissues, organs,
systems
o
systems, organs, tissues, cells, atoms,
molecules
o
tissues, cells, atoms, molecules, systems,
organs
o
cells, atoms, molecules, organs, systems,
tissues
Question 10 of 10
Which discipline would one practice if studying the
development of zygotes (fertilized eggs) in mammals?
o
paleontologist zoologist
o
herpetologist immunologist
o
microbiologist neurobiologist
o
embryologist mammologist
o
taxonomist evolutionist
USA 
India
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