Bio 100 Exam 1 Assessement Questions And 100% Solved Solutions.
4 views 0 purchase
Course
Bio 100
Institution
Bio 100
What is Biology? - Answer study of living organisms.
What type of science is bio? - Answer Natural Science, occurs naturally in nature not man made. Others are math, physics,or geology.
Five steps of scientific method? - Answer 1) Observe
2) Hypothesize
3) Make prediction
4) Tes...
Bio 100 Exam 1 Assessement Questions
And 100% Solved Solutions.
What is Biology? - Answer study of living organisms.
What type of science is bio? - Answer Natural Science, occurs naturally in nature not man made. Others
are math, physics,or geology.
Five steps of scientific method? - Answer 1) Observe
2) Hypothesize
3) Make prediction
4) Test
5) Draw a conclusion
Observe - Answer Look for interesting patterns or cause-and-effect relationships
Formulate a hypothesis - Answer Hypothesis: a proposed explanation for observed phenomena
Null hypothesis: a hypothesis that states a lack of relationship between two factors; stated as a negative
Ex. "Echinacea has no effect on the duration and severity of cold symptoms"
Hypothesis must be falsifiable to be scientific
Make a prediction - Answer o "If...Then..."
o Must be testable
Conduct an experiment - Answer o An experiment that makes it possible to decisively determine
whether a particular hypothesis is correct
o Need experimental groups, placebo, control groups, treatment, variables etc.
, Hypothesis vs Law and Principle - Answer o Hypothesis: a proposed explanation for observed
phenomena
o Theory: a hypothesis that has been repeatedly tested and supported
o Law (Principle): a theory that has been repeatedly tested and supported
Comparative method - Answer Special case of the scientific method
o Ex: Seals are more closely related to dogs than to cats (can't really test anything)
o Compares patterns of similarity between seals, dogs, and cats
o Cannot be tested with traditional experiments
Placebo - Answer a substance that has no effect, used as a control in testing new drugs
Atoms - Answer Atoms are the subunit of all life including molecules
There are 92 naturally occurring atoms
Consist of:
Nucleus (Protons [+] and Neutrons[0])
Electrons (Negative charge; rotate around nucleus in "shells")
4 atoms of life. make up 95% of all life - Answer carbon
oxygen
nitrogen
hydrogen
(COHN - carbon oxygen hydrogen nitrogen)
atomic number - Answer number of protons in nucleas
mass number - Answer protons plus nuetrons
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 COCOSOLUTIONS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
