1 / NAS 2 TCC study guide
1.What is the purpose of the scientific method?: The scientific method is an organized way to study the natural world and find out how it works.
2.What are the steps of the scientific method?: Ask a Question. Do Background Research .
Construct a Hypothesis .
Test Your Hypothesis by Doing an Experiment. Analyze Your Data and Draw a Conclusion.
Communicate Your Results.
3.Distinguish between independent and dependent variables: An
independent variable is the variable that is changed or controlled in a
scientific experiment to test the effects on the dependent variable .
A dependent variable is the variable being tested and measured in a scientific experiment .
4.Distinguish between control and experimental groups: An experimental 2 / group is the group in an experiment that receives the variable being tested. One variable is tested at a time. The experimental group is compared to a control group, which does not receive the test variable .
5.Distinguish between hypothesis and theory.: A hypothesis is an attempt to explain phenomena. It is a proposal, a guess used to understand and/or predict something. A theory is the result of testing a
hypothesis and developing an expla- nation that is assumed to be true about something.
6.Define Anatomy and Physiology: Anatomy is the study of the structure and relationship between body parts .
Physiology is the study of the function of body parts and the body as a whole.
7.Identify the six levels of organization (chemical, tissue, etc.): 1) Chemical Level
2) Cellular level 3)Tissue level 4)Organ level 5)Organ system level ) Organismal level
8.Identify the requirements for life:: 1. Reproduction 2. Response/reaction to environment 3. Metabolism 4. Growth.
9.Identify survival needs:: survival needs (5): nutrients, oxygen, water, stable body temperature, and atmospheric pressure
10.What is homeostasis?: The tendency of an organism or a cell to regulate its internal conditions, usually by a system of feedback controls, so as to stabilize health and functioning, regardless of the outside changing conditions .
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 TIPSCORE. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
