Scientific Method
What do observations help create?
Hypotheses.
A distortion that affects objectivity.
What is bias?
Why use sampling?
To get representative data.
Name one sampling tool.
Quadrat or sweep net.
What does the Lincoln Index estimate?
Population size.
What’s the variable you change?
Independent variable.
Why is historical data useful?
Shows long-term trends.
Samples chosen by chance.
What’s random sampling?
What’s a quadrat for?
Sampling plants or slow animals.
What does Simpson’s Index measure?
Biodiversity.
What’s a controlled investigation?
Only one variable changes; others stay constant.
How can bias affect climate data?
It can misrepresent findings.
Samples taken at regular intervals.
What’s systematic sampling?
What’s capture-mark-recapture for?
Estimating population size.
Name one tech-based method.
Satellite sensors.
What causes uncertainty in results?
Limitations in data measurement.
What causes false conclusions?
Unreliable or limited data.
Name one factor affecting sampling.
Area size or access.
What is a pitfall trap
A in ground collection container to trap small insects primarily.
What’s big data?
Large, complex datasets.
When does a hypothesis become a theory?
When it’s repeatedly supported by evidence.
Name one reason climate models are uncertain.
Limited data or media misunderstanding.
Which sampling method uses regular intervals to ensure even coverage?
Systematic sampling.
Which tool is used to sample insects flying through vegetation
Sweep net
Which method uses tagged animals to estimate population size
Lincoln Index