Bio Ch 1 Flashcards
(17 cards)
Data
Info gathered from observation
A hypothesis should always be
Testable
Homeostasis
In organisms ability to maintain tolerable internal environment
Centrifuge
Spends two separate parts in test tube
Five characteristics of living things
One made up of cells twouse energy three reproduce four grow five universal genetic code
Why should scientists avoid their own view the one conducting tests
To avoid bias
Qualitative versus quantitative data
Qualitative uses senses quantitive uses numbers
Levels of organization from biggest to smallest
Biosphere, ecosystem, community, population, organism, group of cells, cells, molecules
Goals of science
To investigate and understand the natural world explain events in the natural world and use it explanations to make predictions
3 SI measurements
Length is meters, liters is mass, grams is volume
Why do scientist preferred metric system
Oh scientist use it and its base 10
What are the steps of the scientific method
Question hypothesis experiment analyze data conclusion
What is a manipulative variable
The factor that is purposely change in an experiment
Solute versus solvent
Solute gets dissolved in a solvent does the dissolving
Science is a ???? is ever-changing
On going process
Tell me to things about water
Covers 3/4 of the earths surface and is the most abundant compound in most living things
Theory
Evidence that is so well supported
