Chapter 1-Living Things Flashcards
(10 cards)
Three domains
Eukarya, bacteria, archaea
The four macromolecules
Nucleic acid, proteins, carbohydrates, lipids
Biological organization
Cells, molecules, tissues, organs, organ systems, individual, population, community, ecosystem, biosphere
A systematic process used to learn about the natural world
Science
A logical approach to gathering information and reaching conclusions
Scientific method
Involves the accumulation of facts through observations until finally there are enough facts to draw a conclusion or develop a testable hypothesis
Inductive reasoning
Involves making a general statement, often in the format of an “if-then” statement, then drawing more specific conclusions from it
Deductive reasoning
Consist of several experimental groups that receive different dosages of the drugs and a control group that receives a placebo
Clinical trials
Occurs when neither researchers nor participants know which group is receiving the treatment
Double blind study
Look for patterns that occur in large populations
Epidemiological studies