Exam (elaborations)
BIO 131 EXAM 1 CH 1,2,&3 HENRY FORD COLLEGE QUESTIONS AND ANSWERS
- Course
- Institution
BIO 131 EXAM 1 CH 1,2,&3 HENRY FORD COLLEGE
[Show more]
Content preview
BIO 131 EXAM 1 CH 1,2,&3 HENRYFORD COLLEGE
Biology - Answer -Scenic Study Of life
7 properties of life . - Answer -Reproduction, Growth and development Energy use,
order, Cell, Response to the enviorment, Evoluation
Soemthing does not display all properties of life. Is a virus alive? - Answer -A virus is
NOT ALIVE
Biological Organization LARGEST TO SMALLEST - Answer -biosphere, ecosystem,
community, population, organism, organ, tissue, cell,molecule, atom
What is the scientific method? - Answer -A serious of steps, that if followed may provide
insight about the natural world
scentific method in order - Answer -Observation
Question
Hypothesis
Experiment
Results
Conclusion
Hypothesis - Answer -a proposed explanation for an observation
Theory - Answer -A well sub-stained explanation that is much broader in scope then a
hypothesis
What is the independent variable? - Answer -The independent variable is the variable
that is changed
dependent variable - Answer -The response, output , or effect under the investigation
What is a controlled experiment? - Answer -A test that runs multiple times with one
variable changing and all other variables held constant
Define a single blind experiment, double blind experiment and placebo - Answer -Single
blind: some info about the experiment is withheld from the participants.
, Double blind: An experiment in which neither the participant nor the experimenter knows
which group is which
Placebo : A medically ineffective treatment that allows the placebo group to serve as a
control for the real drug
What is the diffrence between primary source and a Secondary source - Answer -
Primary source - original material presented for the firstvil time by the person who
performed the research
Secondary Source - A description OR Reveiw of primary Source , often Containg
commentary
What does a line graph, bar graph, and pie Chart Show ? - Answer -Line graph - Often
used to display data that changes continuously, made by plotting many Individual
pieces of data & Connecting dots.
Bar graph - often used to compare categories data Pie chart - used to convey
percentages
What are the 5 major Themes of biology? - Answer -evolution,
structure/function,
information flow,
energy & matter pathways,
interconnections
What is the unifying theme of biology? - Answer -evolution
Atom - Answer -All matter consists if, the smallest unit that retain all of the properties of
their type matter
Molecule - Answer -Atom are usually bonded to each other to form molecules
Element - Answer -All matter composed of individual elements substances that cannot
be broken down into other substances by chemical reactions
Compounds - Answer -Substances with two or more elements in a fixed ratio
When looking at a formula for a chemical reaction which side would you find the
reactants and which side would have the products? - Answer -Chemical reactions are
written with the reactants (starting matter) on the left and the products (ending matter)
on the right
What are the four elements that make up 96.3% of living cells? - Answer -Oxygen 65%
carbon 18.5%
hydrogen 9.5%
nitrogen 3.3%
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller STASSUKHAREV. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now