The science of biology Flashcards
what is the process by which scientists approach their work?
Scientific method?
what do we call the use of experiments to obtain information?
Experimental science
What is the use of scientific research to meet certain human needs?
Applied science
the word science comes from the Latin word _____________
Scientia, which means knowledge
__________ examines the fossil record to investigate evolution and ecology throughout the history of life on Earth
Paleobiology
______________ is the study of the origins, evolution, distribution, and future of life in the universe.
Astrobiology
the word “BIOLOGY” comes from two words meaning ________________.
bios and logos, Greek words meaning life and study
Define the term spontaneous generation
It is the appearance of living organisms from non-living matter
what is the difference between a hypothesis and a prediction?
A hypothesis is an educated guess about what a biologist thinks an observation will be. But prediction is an educated guess as to how the biologist thinks his/her experiment will turn out.
What are the main steps of the scientific method?
- Ask a question
- Do background research
- Construct hypotheis
- Carry out an experiment
- Analyse results and draw conclusion
- Report results
___________ is the standard group in an experiment
Control group
____________ is the group in which the experiment is done upon
Experiment group
Who conducted the first real experiment and when?
Francesco Redi in 1668
who proved that microorganisms do not come from spontaneous generation?
Louis Pasteur in 1859
the factor that the scientist changes is called
Independent variable
The factor that the scientist measures is called
Dependent variable
What do we call an experiment in which the only difference between different repeats of the experiment is the different values of the independent variable?
Fair test
the factors other than the independent variable that are kept constant in order to avoid influencing results are called
Controlled variables
The factor that cannot be controlled which may influence the result of the experiment is called ______
Confounding variables
___________ is how precisely something has been measured or counted
Accuracy
the measure of how dependable our results are is called ____________
Reliability
______________ are really odd results that do not fit the general pattern.
Anomalous results
___________ measures how much light passes through a liquid.
Colorimeter
___________ is about whether or not our experiment measures what is says it is measuring.
Validity
