What is biology?
The study of organisms/living things
What does Biology mean?
The study of life
Orderly structure are made of...
What is reproduction?
offspring similar to parents
what do living things do?
grow and develop
adjust to changes in the environment
what 3 things have some characteristics of life but are NOT organisms?
fire, crystals, and viruses
what does biotic mean?
what does stimulus mean?
something in the environment that causes the organism to react
what does response mean?
reaction of the organism to a stimulus; it could be chemical, metabolic, behavioral, all of above
what is evolution?
gradual change in the characteristics of a population over time; eventually results in new species
What is the scientific method?
a step wise process for increasing our knowledge of how the universe works
What are the steps of the scientific method?
1. state a question 2. conduct background research 3. Construct hypothesis 4. plan and carry out experiments 5. obtain and analyze data 6. draw conclusions from data
what is a hypothesis?
a proposed answer to a question having to do with how the universe works
what is an independent variable?
the variable that you are testing
what is the dependent variable?
the variable that you are measuring
what is the control group?
The group that does not receive the experimental treatment in an experiment.
what is an observation?
information you obtain with your senses
What is a scientific theory?
a well tested explanation for a set of observations or experimental results
what is a scientific law?
a statement that describes a pattern or observations in the universe
what is Qualitative data
any scientific information that is purely observational (no numbers)
what is quantitative data?
data that comes from counts or measurements (always has a number)
why should you include multiple trails in an experiment?
To reduce error
What are the basic units for volume, length, and mass
L, M, G
An example of quantitive data
any kind measurement involving numbers
What does it mean to adapt?
to change your ways of living so you can survive in a change environment.
What variable goes on the x-axis?
What variable goes on the y-axis?
What type of graph would you use if you have data involving percentages?
What type of graph would you use if you want to show specific values or show trends in data?
What type of graph would you use if you are making comparisons between different variables so its easy to see?
what are the basic units for the metric system
1) Length: Meter2) Volume: Liter3) Mass: Gram
What are the characteristics of a living thing?
1) orderly structure made of cells 2) Reproduction 3) Grow and Develop 4) Adjusting to things in the environment
If you have categories use...
Independent variables is what?
YOU ARE TESTING
Dependent variable is what?
YOU ARE MEASURING #s of blah blah blah